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232263531 = 352713527
BaseRepresentation
bin11011101100000…
…00111101101011
3121012001012200000
431312000331223
5433424413111
635014114043
75520131103
oct1566007553
9535035600
10232263531
1110a11a035
126594b923
1339172656
1422bc0203
15155cdc56
hexdd80f6b

232263531 has 24 divisors (see below), whose sum is σ = 349300224. Its totient is φ = 154227240.

The previous prime is 232263529. The next prime is 232263587. The reversal of 232263531 is 135362232.

232263531 is a `hidden beast` number, since 2 + 3 + 22 + 635 + 3 + 1 = 666.

It is not a de Polignac number, because 232263531 - 21 = 232263529 is a prime.

It is a super-2 number, since 2×2322635312 = 107892695665175922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 232263495 and 232263504.

It is not an unprimeable number, because it can be changed into a prime (232263931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64090 + ... + 67616.

It is an arithmetic number, because the mean of its divisors is an integer number (14554176).

Almost surely, 2232263531 is an apocalyptic number.

232263531 is a deficient number, since it is larger than the sum of its proper divisors (117036693).

232263531 is an equidigital number, since it uses as much as digits as its factorization.

232263531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3801 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 232263531 is about 15240.1945853719. The cubic root of 232263531 is about 614.6959353542.

The spelling of 232263531 in words is "two hundred thirty-two million, two hundred sixty-three thousand, five hundred thirty-one".

Divisors: 1 3 9 27 81 243 271 813 2439 3527 7317 10581 21951 31743 65853 95229 285687 857061 955817 2867451 8602353 25807059 77421177 232263531