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231806896 = 24193271277
BaseRepresentation
bin11011101000100…
…01011110110000
3121011012000021121
431310101132300
5433320310041
635000232024
75513216566
oct1564213660
9534160247
10231806896
11109937a52
126576b614
1339042859
1422b01a36
151553d7d1
hexdd117b0

231806896 has 40 divisors (see below), whose sum is σ = 454754624. Its totient is φ = 114462720.

The previous prime is 231806891. The next prime is 231806909. The reversal of 231806896 is 698608132.

231806896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231806891) 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, 836710 + ... + 836986.

Almost surely, 2231806896 is an apocalyptic number.

It is an amenable number.

231806896 is a deficient number, since it is larger than the sum of its proper divisors (222947728).

231806896 is a wasteful number, since it uses less digits than its factorization.

231806896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 231806896 is about 15225.2059427779. The cubic root of 231806896 is about 614.2928360142.

The spelling of 231806896 in words is "two hundred thirty-one million, eight hundred six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 193 271 277 386 542 554 772 1084 1108 1544 2168 2216 3088 4336 4432 52303 53461 75067 104606 106922 150134 209212 213844 300268 418424 427688 600536 836848 855376 1201072 14487931 28975862 57951724 115903448 231806896