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92127421 = 761121061
BaseRepresentation
bin1010111110111…
…00000010111101
320102100120001201
411133130002331
5142041034141
613050335501
72166033031
oct537340275
9212316051
1092127421
1148004771
1226a2a591
1316118389
14c3421c1
15814c031
hex57dc0bd

92127421 has 4 divisors (see below), whose sum is σ = 92249244. Its totient is φ = 92005600.

The previous prime is 92127407. The next prime is 92127433. The reversal of 92127421 is 12472129.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24147396 + 67980025 = 4914^2 + 8245^2 .

It is a cyclic number.

It is not a de Polignac number, because 92127421 - 217 = 91996349 is a prime.

It is a super-2 number, since 2×921274212 = 16974923400222482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92127421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92127401) 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, 59770 + ... + 61291.

It is an arithmetic number, because the mean of its divisors is an integer number (23062311).

Almost surely, 292127421 is an apocalyptic number.

It is an amenable number.

92127421 is a deficient number, since it is larger than the sum of its proper divisors (121823).

92127421 is a wasteful number, since it uses less digits than its factorization.

92127421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121822.

The product of its digits is 2016, while the sum is 28.

The square root of 92127421 is about 9598.3030270981. The cubic root of 92127421 is about 451.6440618732.

The spelling of 92127421 in words is "ninety-two million, one hundred twenty-seven thousand, four hundred twenty-one".

Divisors: 1 761 121061 92127421