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49668480 = 273258623
BaseRepresentation
bin1011110101111…
…0000110000000
310110110102100100
42331132012000
5100203342410
64532322400
71142114031
oct275360600
9113412310
1049668480
1126044734
1214773400
13a3a0544
14684ca88
1545618c0
hex2f5e180

49668480 has 96 divisors (see below), whose sum is σ = 171531360. Its totient is φ = 13243392.

The previous prime is 49668469. The next prime is 49668491. The reversal of 49668480 is 8486694.

It is a happy number.

49668480 is a `hidden beast` number, since 496 + 6 + 84 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (49668469) and next prime (49668491).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1449 + ... + 10071.

It is an arithmetic number, because the mean of its divisors is an integer number (1786785).

Almost surely, 249668480 is an apocalyptic number.

49668480 is a gapful number since it is divisible by the number (40) 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 49668480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85765680).

49668480 is an abundant number, since it is smaller than the sum of its proper divisors (121862880).

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

49668480 is a wasteful number, since it uses less digits than its factorization.

49668480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 49668480 is about 7047.5868210331. The cubic root of 49668480 is about 367.5871235893.

The spelling of 49668480 in words is "forty-nine million, six hundred sixty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 8623 17246 25869 34492 43115 51738 68984 77607 86230 103476 129345 137968 155214 172460 206952 258690 275936 310428 344920 388035 413904 517380 551872 620856 689840 776070 827808 1034760 1103744 1241712 1379680 1552140 1655616 2069520 2483424 2759360 3104280 3311232 4139040 4966848 5518720 6208560 8278080 9933696 12417120 16556160 24834240 49668480