Search a number
-
+
231395352 = 2339641473
BaseRepresentation
bin11011100101011…
…01000000011000
3121010102002202020
431302231000120
5433214122402
634543334440
75506554006
oct1562550030
9533362666
10231395352
11109686831
12655b1420
1338c2a436
1422a35a76
15154ab8bc
hexdcad018

231395352 has 16 divisors (see below), whose sum is σ = 578488440. Its totient is φ = 77131776.

The previous prime is 231395317. The next prime is 231395363. The reversal of 231395352 is 253593132.

It is a happy number.

It is a congruent number.

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, 4820713 + ... + 4820760.

Almost surely, 2231395352 is an apocalyptic number.

It is an amenable number.

231395352 is an abundant number, since it is smaller than the sum of its proper divisors (347093088).

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

231395352 is a wasteful number, since it uses less digits than its factorization.

231395352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641482 (or 9641478 counting only the distinct ones).

The product of its digits is 24300, while the sum is 33.

The square root of 231395352 is about 15211.6847193202. The cubic root of 231395352 is about 613.9290874330.

The spelling of 231395352 in words is "two hundred thirty-one million, three hundred ninety-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 9641473 19282946 28924419 38565892 57848838 77131784 115697676 231395352