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23353057 = 721361601
BaseRepresentation
bin101100100010…
…1011011100001
31121221110101001
41121011123201
521434244212
62152312001
7402332500
oct131053341
947843331
1023353057
1112200552
1279a2601
134ab86a0
14315c837
1520b4657
hex16456e1

23353057 has 24 divisors (see below), whose sum is σ = 29784552. Its totient is φ = 18144000.

The previous prime is 23353049. The next prime is 23353061. The reversal of 23353057 is 75035332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 23193856 = 399^2 + 4816^2 .

It is not a de Polignac number, because 23353057 - 23 = 23353049 is a prime.

It is the 4833-rd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (23353007) by changing a digit.

It is a nontrivial repunit in base 4832.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38557 + ... + 39157.

It is an arithmetic number, because the mean of its divisors is an integer number (1241023).

Almost surely, 223353057 is an apocalyptic number.

It is an amenable number.

23353057 is a deficient number, since it is larger than the sum of its proper divisors (6431495).

23353057 is a wasteful number, since it uses less digits than its factorization.

23353057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 23353057 is about 4832.5000775996. The cubic root of 23353057 is about 285.8344560093.

Adding to 23353057 its reverse (75035332), we get a palindrome (98388389).

The spelling of 23353057 in words is "twenty-three million, three hundred fifty-three thousand, fifty-seven".

Divisors: 1 7 13 49 61 91 427 601 637 793 2989 4207 5551 7813 29449 36661 38857 54691 256627 382837 476593 1796389 3336151 23353057