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2430480 = 2435131941
BaseRepresentation
bin1001010001011000010000
311120110222210
421101120100
51110233410
6124032120
726441643
oct11213020
94513883
102430480
111410068
12992640
13671370
14473a5a
15330220
hex251610

2430480 has 160 divisors (see below), whose sum is σ = 8749440. Its totient is φ = 552960.

The previous prime is 2430469. The next prime is 2430487. The reversal of 2430480 is 840342.

It is a happy number.

It is a Cunningham number, because it is equal to 15592-1.

It is not an unprimeable number, because it can be changed into a prime (2430487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59260 + ... + 59300.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

22430480 is an apocalyptic number.

2430480 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 2430480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374720).

2430480 is an abundant number, since it is smaller than the sum of its proper divisors (6318960).

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

2430480 is a wasteful number, since it uses less digits than its factorization.

2430480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2430480 is about 1558.9996792816. Note that the first 3 decimals coincide. The cubic root of 2430480 is about 134.4509939714.

It can be divided in two parts, 2430 and 480, that multiplied together give a square (1166400 = 10802).

The spelling of 2430480 in words is "two million, four hundred thirty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 41 48 52 57 60 65 76 78 80 82 95 104 114 120 123 130 152 156 164 190 195 205 208 228 240 246 247 260 285 304 312 328 380 390 410 456 492 494 520 533 570 615 624 656 741 760 779 780 820 912 984 988 1040 1066 1140 1230 1235 1482 1520 1558 1560 1599 1640 1968 1976 2132 2280 2337 2460 2470 2665 2964 3116 3120 3198 3280 3705 3895 3952 4264 4560 4674 4920 4940 5330 5928 6232 6396 7410 7790 7995 8528 9348 9840 9880 10127 10660 11685 11856 12464 12792 14820 15580 15990 18696 19760 20254 21320 23370 25584 29640 30381 31160 31980 37392 40508 42640 46740 50635 59280 60762 62320 63960 81016 93480 101270 121524 127920 151905 162032 186960 202540 243048 303810 405080 486096 607620 810160 1215240 2430480