Search a number
-
+
231265252 = 22391114783
BaseRepresentation
bin11011100100011…
…01001111100100
3121010011111021201
431302031033210
5433200442002
634540452244
75505502501
oct1562151744
9533144251
10231265252
111095a8009
126554a084
1338bb315a
1422a004a8
1515483087
hexdc8d3e4

231265252 has 12 divisors (see below), whose sum is σ = 404845056. Its totient is φ = 115595240.

The previous prime is 231265211. The next prime is 231265261. The reversal of 231265252 is 252562132.

It is a self number, because there is not a number n which added to its sum of digits gives 231265252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8253 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (33737088).

Almost surely, 2231265252 is an apocalyptic number.

It is an amenable number.

231265252 is a deficient number, since it is larger than the sum of its proper divisors (173579804).

231265252 is a wasteful number, since it uses less digits than its factorization.

231265252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18698 (or 18696 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 231265252 is about 15207.4078001479. The cubic root of 231265252 is about 613.8140071207.

The spelling of 231265252 in words is "two hundred thirty-one million, two hundred sixty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 3911 7822 14783 15644 29566 59132 57816313 115632626 231265252