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857083808 = 25716072381
BaseRepresentation
bin110011000101100…
…000111110100000
32012201202100221202
4303011200332200
53223403140213
6221014140332
730145043420
oct6305407640
92181670852
10857083808
113aa88a829
121bb0516a8
1310874b6a9
1481b88480
15503a0b58
hex33160fa0

857083808 has 48 divisors (see below), whose sum is σ = 1930449024. Its totient is φ = 366938880.

The previous prime is 857083807. The next prime is 857083817. The reversal of 857083808 is 808380758.

It is not an unprimeable number, because it can be changed into a prime (857083807) 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 7 ways as a sum of consecutive naturals, for example, 358778 + ... + 361158.

It is an arithmetic number, because the mean of its divisors is an integer number (40217688).

Almost surely, 2857083808 is an apocalyptic number.

It is an amenable number.

857083808 is an abundant number, since it is smaller than the sum of its proper divisors (1073365216).

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

857083808 is a wasteful number, since it uses less digits than its factorization.

857083808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 857083808 is about 29275.9937149877. The cubic root of 857083808 is about 949.8924376834.

The spelling of 857083808 in words is "eight hundred fifty-seven million, eighty-three thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1607 2381 3214 4762 6428 9524 11249 12856 16667 19048 22498 25712 33334 38096 44996 51424 66668 76192 89992 133336 179984 266672 359968 533344 3826267 7652534 15305068 26783869 30610136 53567738 61220272 107135476 122440544 214270952 428541904 857083808