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12952523 = 50925447
BaseRepresentation
bin110001011010…
…001111001011
3220101001112002
4301122033023
511303440043
61141341215
7215044313
oct61321713
926331462
1012952523
117347471
12440780b
1328b671c
141a12443
15120cbb8
hexc5a3cb

12952523 has 4 divisors (see below), whose sum is σ = 12978480. Its totient is φ = 12926568.

The previous prime is 12952517. The next prime is 12952549. The reversal of 12952523 is 32525921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32525921 = 118127541.

It is a cyclic number.

It is not a de Polignac number, because 12952523 - 212 = 12948427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12952573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12215 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (3244620).

Almost surely, 212952523 is an apocalyptic number.

12952523 is a deficient number, since it is larger than the sum of its proper divisors (25957).

12952523 is an equidigital number, since it uses as much as digits as its factorization.

12952523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25956.

The product of its digits is 5400, while the sum is 29.

The square root of 12952523 is about 3598.9613779534. The cubic root of 12952523 is about 234.8468777659.

The spelling of 12952523 in words is "twelve million, nine hundred fifty-two thousand, five hundred twenty-three".

Divisors: 1 509 25447 12952523