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23248531 = 6725179
BaseRepresentation
bin101100010101…
…1111010010011
31121202010222201
41120223322103
521422423111
62150144031
7401415655
oct130537223
947663881
1023248531
1112139a69
127952017
134a7cc37
1431326d5
1520936c1
hex162be93

23248531 has 6 divisors (see below), whose sum is σ = 23605260. Its totient is φ = 22897116.

The previous prime is 23248523. The next prime is 23248541. The reversal of 23248531 is 13584232.

It is not a de Polignac number, because 23248531 - 23 = 23248523 is a prime.

It is a super-2 number, since 2×232485312 = 1080988387315922, 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 23248531.

It is not an unprimeable number, because it can be changed into a prime (23248541) 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, 1900 + ... + 7078.

It is an arithmetic number, because the mean of its divisors is an integer number (3934210).

Almost surely, 223248531 is an apocalyptic number.

23248531 is a deficient number, since it is larger than the sum of its proper divisors (356729).

23248531 is an frugal number, since it uses more digits than its factorization.

23248531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5246 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 23248531 is about 4821.6730498863. The cubic root of 23248531 is about 285.4073624710.

The spelling of 23248531 in words is "twenty-three million, two hundred forty-eight thousand, five hundred thirty-one".

Divisors: 1 67 4489 5179 346993 23248531