Search a number
-
+
92979157 = 181513697
BaseRepresentation
bin1011000101010…
…11111111010101
320110221211102111
411202223333111
5142300313112
613120511021
72206211155
oct542537725
9213854374
1092979157
1148536687
122717b471
1316355c6b
14c4c4765
1582695a7
hex58abfd5

92979157 has 4 divisors (see below), whose sum is σ = 93493036. Its totient is φ = 92465280.

The previous prime is 92979143. The next prime is 92979163. The reversal of 92979157 is 75197929.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75197929 = 167450287.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 92275236 = 839^2 + 9606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-92979157 is a prime.

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 92979157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92979127) 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 3 ways as a sum of consecutive naturals, for example, 256668 + ... + 257029.

It is an arithmetic number, because the mean of its divisors is an integer number (23373259).

Almost surely, 292979157 is an apocalyptic number.

It is an amenable number.

92979157 is a deficient number, since it is larger than the sum of its proper divisors (513879).

92979157 is a wasteful number, since it uses less digits than its factorization.

92979157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513878.

The product of its digits is 357210, while the sum is 49.

The square root of 92979157 is about 9642.5700412286. The cubic root of 92979157 is about 453.0316403268.

The spelling of 92979157 in words is "ninety-two million, nine hundred seventy-nine thousand, one hundred fifty-seven".

Divisors: 1 181 513697 92979157