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2089908480 = 28351149477
BaseRepresentation
bin111110010010001…
…0111100100000000
312101122112100110210
41330210113210000
513240004032410
6543213554120
7102534633432
oct17444274400
95348470423
102089908480
119827761a0
124a3aa5940
13273c9674a
1415b7c0652
15c3722220
hex7c917900

2089908480 has 144 divisors (see below), whose sum is σ = 7281578304. Its totient is φ = 506634240.

The previous prime is 2089908479. The next prime is 2089908487. The reversal of 2089908480 is 848099802.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2089908487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17502 + ... + 66978.

It is an arithmetic number, because the mean of its divisors is an integer number (50566516).

Almost surely, 22089908480 is an apocalyptic number.

2089908480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089908480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3640789152).

2089908480 is an abundant number, since it is smaller than the sum of its proper divisors (5191669824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089908480 is a wasteful number, since it uses less digits than its factorization.

2089908480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49512 (or 49498 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 2089908480 is about 45715.5168405652. The cubic root of 2089908480 is about 1278.5246021126.

It can be divided in two parts, 208990 and 8480, that added together give a triangular number (217470 = T659).

The spelling of 2089908480 in words is "two billion, eighty-nine million, nine hundred eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 352 384 440 480 528 640 660 704 768 880 960 1056 1280 1320 1408 1760 1920 2112 2640 2816 3520 3840 4224 5280 7040 8448 10560 14080 21120 42240 49477 98954 148431 197908 247385 296862 395816 494770 544247 593724 742155 791632 989540 1088494 1187448 1484310 1583264 1632741 1979080 2176988 2374896 2721235 2968620 3166528 3265482 3958160 4353976 4749792 5442470 5937240 6333056 6530964 7916320 8163705 8707952 9499584 10884940 11874480 12666112 13061928 15832640 16327410 17415904 18999168 21769880 23748960 26123856 31665280 32654820 34831808 37998336 43539760 47497920 52247712 63330560 65309640 69663616 87079520 94995840 104495424 130619280 139327232 174159040 189991680 208990848 261238560 348318080 417981696 522477120 696636160 1044954240 2089908480