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92055031 = 149617819
BaseRepresentation
bin1010111110010…
…10010111110111
320102012212202121
411133022113313
5142031230111
613045020411
72165312005
oct537122767
9212185677
1092055031
1147a65342
12269b4707
13160c1443
14c323a75
158135871
hex57ca5f7

92055031 has 4 divisors (see below), whose sum is σ = 92673000. Its totient is φ = 91437064.

The previous prime is 92054951. The next prime is 92055043. The reversal of 92055031 is 13055029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13055029 = 131004233.

It is a cyclic number.

It is not a de Polignac number, because 92055031 - 213 = 92046839 is a prime.

It is a super-2 number, since 2×920550312 = 16948257464821922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 92054987 and 92055005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92055091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308761 + ... + 309058.

It is an arithmetic number, because the mean of its divisors is an integer number (23168250).

Almost surely, 292055031 is an apocalyptic number.

92055031 is a deficient number, since it is larger than the sum of its proper divisors (617969).

92055031 is a wasteful number, since it uses less digits than its factorization.

92055031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617968.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 92055031 is about 9594.5313069477. The cubic root of 92055031 is about 451.5257363324.

The spelling of 92055031 in words is "ninety-two million, fifty-five thousand, thirty-one".

Divisors: 1 149 617819 92055031