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92130425 = 5214924733
BaseRepresentation
bin1010111110111…
…00110001111001
320102100201011222
411133130301321
5142041133200
613050401425
72166044552
oct537346171
9212321158
1092130425
1148006a52
1226a30275
131611985a
14c343329
15814cd85
hex57dcc79

92130425 has 12 divisors (see below), whose sum is σ = 115013100. Its totient is φ = 73206720.

The previous prime is 92130421. The next prime is 92130431. The reversal of 92130425 is 52403129.

It can be written as a sum of positive squares in 6 ways, for example, as 32855824 + 59274601 = 5732^2 + 7699^2 .

It is not a de Polignac number, because 92130425 - 22 = 92130421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 92130394 and 92130403.

It is not an unprimeable number, because it can be changed into a prime (92130421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8642 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (9584425).

Almost surely, 292130425 is an apocalyptic number.

It is an amenable number.

92130425 is a deficient number, since it is larger than the sum of its proper divisors (22882675).

92130425 is a wasteful number, since it uses less digits than its factorization.

92130425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24892 (or 24887 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 92130425 is about 9598.4595118175. The cubic root of 92130425 is about 451.6489707411.

The spelling of 92130425 in words is "ninety-two million, one hundred thirty thousand, four hundred twenty-five".

Divisors: 1 5 25 149 745 3725 24733 123665 618325 3685217 18426085 92130425