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478414272 = 26371720939
BaseRepresentation
bin11100100001000…
…000010111000000
31020100012222000010
4130201000113000
51434433224042
6115250024520
714566311540
oct3441002700
91210188003
10478414272
112260637a6
12114278140
1378167c8b
1447777320
152c00259c
hex1c8405c0

478414272 has 112 divisors (see below), whose sum is σ = 1531802880. Its totient is φ = 128643072.

The previous prime is 478414267. The next prime is 478414273. The reversal of 478414272 is 272414874.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 478414272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478414273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379 + ... + 33317.

Almost surely, 2478414272 is an apocalyptic number.

478414272 is a gapful number since it is divisible by the number (42) 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 478414272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765901440).

478414272 is an abundant number, since it is smaller than the sum of its proper divisors (1053388608).

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

478414272 is a wasteful number, since it uses less digits than its factorization.

478414272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20978 (or 20968 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 478414272 is about 21872.6832373168. The cubic root of 478414272 is about 782.1103665719.

The spelling of 478414272 in words is "four hundred seventy-eight million, four hundred fourteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 119 136 168 192 204 224 238 272 336 357 408 448 476 544 672 714 816 952 1088 1344 1428 1632 1904 2856 3264 3808 5712 7616 11424 20939 22848 41878 62817 83756 125634 146573 167512 251268 293146 335024 355963 439719 502536 586292 670048 711926 879438 1005072 1067889 1172584 1340096 1423852 1758876 2010144 2135778 2345168 2491741 2847704 3517752 4020288 4271556 4690336 4983482 5695408 7035504 7475223 8543112 9380672 9966964 11390816 14071008 14950446 17086224 19933928 22781632 28142016 29900892 34172448 39867856 59801784 68344896 79735712 119603568 159471424 239207136 478414272