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92123071 = 432142397
BaseRepresentation
bin1010111110110…
…10111110111111
320102100100002121
411133122332333
5142040414241
613050303411
72166014245
oct537327677
9212310077
1092123071
1148001477
1226a27b67
13161163c1
14c340795
15814aad1
hex57dafbf

92123071 has 4 divisors (see below), whose sum is σ = 94265512. Its totient is φ = 89980632.

The previous prime is 92123069. The next prime is 92123089. The reversal of 92123071 is 17032129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17032129 = 41272.

It is a cyclic number.

It is not a de Polignac number, because 92123071 - 21 = 92123069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92123021) 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, 1071156 + ... + 1071241.

It is an arithmetic number, because the mean of its divisors is an integer number (23566378).

Almost surely, 292123071 is an apocalyptic number.

92123071 is a deficient number, since it is larger than the sum of its proper divisors (2142441).

92123071 is a wasteful number, since it uses less digits than its factorization.

92123071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142440.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 92123071 is about 9598.0764218670. The cubic root of 92123071 is about 451.6369533034.

The spelling of 92123071 in words is "ninety-two million, one hundred twenty-three thousand, seventy-one".

Divisors: 1 43 2142397 92123071