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92057281 = 294373823
BaseRepresentation
bin1010111110010…
…10111011000001
320102012222211221
411133022323001
5142031313111
613045035041
72165321401
oct537127301
9212188757
1092057281
1147a66aa8
12269b5a81
13160c2484
14c324801
158136371
hex57caec1

92057281 has 8 divisors (see below), whose sum is σ = 97447680. Its totient is φ = 86814672.

The previous prime is 92057267. The next prime is 92057291. The reversal of 92057281 is 18275029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 92057281 - 27 = 92057153 is a prime.

It is a super-2 number, since 2×920572812 = 16949085970225922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92057291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35665 + ... + 38158.

It is an arithmetic number, because the mean of its divisors is an integer number (12180960).

Almost surely, 292057281 is an apocalyptic number.

It is an amenable number.

92057281 is a deficient number, since it is larger than the sum of its proper divisors (5390399).

92057281 is a wasteful number, since it uses less digits than its factorization.

92057281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73895.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 92057281 is about 9594.6485605258. The cubic root of 92057281 is about 451.5294150183.

The spelling of 92057281 in words is "ninety-two million, fifty-seven thousand, two hundred eighty-one".

Divisors: 1 29 43 1247 73823 2140867 3174389 92057281