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92012137 = 713144591
BaseRepresentation
bin1010111101111…
…11111001101001
320102010200220221
411132333321221
5142023342022
613044050041
72165042650
oct536777151
9212120827
1092012137
1147a36098
1226993921
13160a7a69
14c312197
158127cc7
hex57bfe69

92012137 has 4 divisors (see below), whose sum is σ = 105156736. Its totient is φ = 78867540.

The previous prime is 92012101. The next prime is 92012183. The reversal of 92012137 is 73121029.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73121029 = 174301237.

It is a cyclic number.

It is not a de Polignac number, because 92012137 - 219 = 91487849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92012537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572289 + ... + 6572302.

It is an arithmetic number, because the mean of its divisors is an integer number (26289184).

Almost surely, 292012137 is an apocalyptic number.

It is an amenable number.

92012137 is a deficient number, since it is larger than the sum of its proper divisors (13144599).

92012137 is a wasteful number, since it uses less digits than its factorization.

92012137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144598.

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

The square root of 92012137 is about 9592.2957106211. The cubic root of 92012137 is about 451.4555943978.

The spelling of 92012137 in words is "ninety-two million, twelve thousand, one hundred thirty-seven".

Divisors: 1 7 13144591 92012137