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457081768 = 231113478501
BaseRepresentation
bin11011001111101…
…000001110101000
31011212002011022101
4123033220032220
51414003104033
6113204503144
714220062623
oct3317501650
91155064271
10457081768
11215013330
121090aaab4
13739091b0
14449c2dba
152a1db97d
hex1b3e83a8

457081768 has 64 divisors (see below), whose sum is σ = 1028401920. Its totient is φ = 187680000.

The previous prime is 457081759. The next prime is 457081777. The reversal of 457081768 is 867180754.

It is an interprime number because it is at equal distance from previous prime (457081759) and next prime (457081777).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49518 + ... + 58018.

It is an arithmetic number, because the mean of its divisors is an integer number (16068780).

Almost surely, 2457081768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457081768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514200960).

457081768 is an abundant number, since it is smaller than the sum of its proper divisors (571320152).

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

457081768 is a wasteful number, since it uses less digits than its factorization.

457081768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8574 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 457081768 is about 21379.4707137478. The cubic root of 457081768 is about 770.3083984188.

The spelling of 457081768 in words is "four hundred fifty-seven million, eighty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 13 22 26 44 47 52 88 94 104 143 188 286 376 517 572 611 1034 1144 1222 2068 2444 4136 4888 6721 8501 13442 17002 26884 34004 53768 68008 93511 110513 187022 221026 374044 399547 442052 748088 799094 884104 1215643 1598188 2431286 3196376 4395017 4862572 5194111 8790034 9725144 10388222 17580068 20776444 35160136 41552888 57135221 114270442 228540884 457081768