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231024252 = 223103318637
BaseRepresentation
bin11011100010100…
…10011001111100
3121002201020200210
431301102121330
5433120234002
634531352420
75503450044
oct1561223174
9532636623
10231024252
11109452a38
1265452710
1338b2a554
142297a724
151543696c
hexdc5267c

231024252 has 24 divisors (see below), whose sum is σ = 539607376. Its totient is φ = 76929408.

The previous prime is 231024247. The next prime is 231024253. The reversal of 231024252 is 252420132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231024253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078 + ... + 21714.

Almost surely, 2231024252 is an apocalyptic number.

It is an amenable number.

231024252 is an abundant number, since it is smaller than the sum of its proper divisors (308583124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231024252 is a wasteful number, since it uses less digits than its factorization.

231024252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677 (or 19675 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 231024252 is about 15199.4819648566. The cubic root of 231024252 is about 613.6007158321.

Adding to 231024252 its reverse (252420132), we get a palindrome (483444384).

It can be divided in two parts, 2310 and 24252, that added together give a palindrome (26562).

The spelling of 231024252 in words is "two hundred thirty-one million, twenty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 1033 2066 3099 4132 6198 12396 18637 37274 55911 74548 111822 223644 19252021 38504042 57756063 77008084 115512126 231024252