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23379129 = 322597681
BaseRepresentation
bin101100100101…
…1110010111001
31121222210010200
41121023302321
521441113004
62153032413
7402501504
oct131136271
947883120
1023379129
11122190a4
1279b5709
134ac7507
14316813b
1520bc239
hex164bcb9

23379129 has 6 divisors (see below), whose sum is σ = 33769866. Its totient is φ = 15586080.

The previous prime is 23379127. The next prime is 23379137. The reversal of 23379129 is 92197332.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 11289600 = 3477^2 + 3360^2 .

It is not a de Polignac number, because 23379129 - 21 = 23379127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23379093 and 23379102.

It is not an unprimeable number, because it can be changed into a prime (23379121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1298832 + ... + 1298849.

It is an arithmetic number, because the mean of its divisors is an integer number (5628311).

Almost surely, 223379129 is an apocalyptic number.

It is an amenable number.

23379129 is a deficient number, since it is larger than the sum of its proper divisors (10390737).

23379129 is a wasteful number, since it uses less digits than its factorization.

23379129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597687 (or 2597684 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 23379129 is about 4835.1968936125. The cubic root of 23379129 is about 285.9407876178.

The spelling of 23379129 in words is "twenty-three million, three hundred seventy-nine thousand, one hundred twenty-nine".

Divisors: 1 3 9 2597681 7793043 23379129