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90930056 = 2371818971
BaseRepresentation
bin1010110101101…
…11101110001000
320100002201120212
411122313232020
5141234230211
613004540252
72152615130
oct532675610
9210081525
1090930056
1147367108
1226551688
1315ab9389
14c10dac0
157eb238b
hex56b7b88

90930056 has 32 divisors (see below), whose sum is σ = 195948480. Its totient is φ = 38750400.

The previous prime is 90930043. The next prime is 90930061. The reversal of 90930056 is 65003909.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5651 + ... + 14621.

It is an arithmetic number, because the mean of its divisors is an integer number (6123390).

Almost surely, 290930056 is an apocalyptic number.

It is an amenable number.

90930056 is an abundant number, since it is smaller than the sum of its proper divisors (105018424).

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

90930056 is a wasteful number, since it uses less digits than its factorization.

90930056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 90930056 is about 9535.7252477198. The cubic root of 90930056 is about 449.6788754235.

The spelling of 90930056 in words is "ninety million, nine hundred thirty thousand, fifty-six".

Divisors: 1 2 4 7 8 14 28 56 181 362 724 1267 1448 2534 5068 8971 10136 17942 35884 62797 71768 125594 251188 502376 1623751 3247502 6495004 11366257 12990008 22732514 45465028 90930056