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231012452 = 2211101227229
BaseRepresentation
bin11011100010011…
…11100001100100
3121002200122111202
431301033201210
5433114344302
634531222032
75503400456
oct1561174144
9532618452
10231012452
11109445090
1265447918
1338b25078
14229762d6
1515433202
hexdc4f864

231012452 has 48 divisors (see below), whose sum is σ = 449305920. Its totient is φ = 103056000.

The previous prime is 231012427. The next prime is 231012479. The reversal of 231012452 is 254210132.

231012452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008674 + ... + 1008902.

It is an arithmetic number, because the mean of its divisors is an integer number (9360540).

Almost surely, 2231012452 is an apocalyptic number.

231012452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231012452 is a deficient number, since it is larger than the sum of its proper divisors (218293468).

231012452 is a wasteful number, since it uses less digits than its factorization.

231012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 231012452 is about 15199.0937887757. The cubic root of 231012452 is about 613.5902687158.

Adding to 231012452 its reverse (254210132), we get a palindrome (485222584).

The spelling of 231012452 in words is "two hundred thirty-one million, twelve thousand, four hundred fifty-two".

Divisors: 1 2 4 11 22 44 101 202 227 229 404 454 458 908 916 1111 2222 2497 2519 4444 4994 5038 9988 10076 22927 23129 45854 46258 51983 91708 92516 103966 207932 252197 254419 504394 508838 571813 1008788 1017676 1143626 2287252 5250283 10500566 21001132 57753113 115506226 231012452