Search a number
-
+
231199696 = 24713158791
BaseRepresentation
bin11011100011111…
…01001111010000
3121010001011100201
431301331033100
5433141342241
634535224544
75505110410
oct1561751720
9533034321
10231199696
11109562832
1265518154
1338b8c370
14229c4640
151546d931
hexdc7d3d0

231199696 has 40 divisors (see below), whose sum is σ = 551325824. Its totient is φ = 91463040.

The previous prime is 231199669. The next prime is 231199723. The reversal of 231199696 is 696991132.

It is an interprime number because it is at equal distance from previous prime (231199669) and next prime (231199723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77940 + ... + 80851.

Almost surely, 2231199696 is an apocalyptic number.

231199696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231199696 is an abundant number, since it is smaller than the sum of its proper divisors (320126128).

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

231199696 is a wasteful number, since it uses less digits than its factorization.

231199696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158819 (or 158813 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The square root of 231199696 is about 15205.2522504561. The cubic root of 231199696 is about 613.7560030274.

The spelling of 231199696 in words is "two hundred thirty-one million, one hundred ninety-nine thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 158791 317582 635164 1111537 1270328 2064283 2223074 2540656 4128566 4446148 8257132 8892296 14449981 16514264 17784592 28899962 33028528 57799924 115599848 231199696