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231223696 = 24111313771
BaseRepresentation
bin11011100100000…
…11000110010000
3121010002101021121
431302003012100
5433143124241
634535532024
75505240364
oct1562030620
9533071247
10231223696
11109579870
126552a014
1338b9a272
14229cd2a4
1515475ad1
hexdc83190

231223696 has 20 divisors (see below), whose sum is σ = 488723184. Its totient is φ = 105101600.

The previous prime is 231223687. The next prime is 231223703. The reversal of 231223696 is 696322132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656710 + ... + 657061.

Almost surely, 2231223696 is an apocalyptic number.

It is an amenable number.

231223696 is an abundant number, since it is smaller than the sum of its proper divisors (257499488).

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

231223696 is a wasteful number, since it uses less digits than its factorization.

231223696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313790 (or 1313784 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 231223696 is about 15206.0414309576. The cubic root of 231223696 is about 613.7772395524. Note that the first 3 decimals are identical.

The spelling of 231223696 in words is "two hundred thirty-one million, two hundred twenty-three thousand, six hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 1313771 2627542 5255084 10510168 14451481 21020336 28902962 57805924 115611848 231223696