Base | Representation |
---|---|
bin | 11011101001010… |
… | …01111100010000 |
3 | 121011101002201102 |
4 | 31310221330100 |
5 | 433332011323 |
6 | 35002323532 |
7 | 5514114650 |
oct | 1564517420 |
9 | 534332642 |
10 | 231907088 |
11 | 1099a6256 |
12 | 657b95a8 |
13 | 3907933a |
14 | 22b2a360 |
15 | 1555d328 |
hex | dd29f10 |
231907088 has 40 divisors (see below), whose sum is σ = 515526528. Its totient is φ = 98998272.
The previous prime is 231907079. The next prime is 231907121. The reversal of 231907088 is 880709132.
231907088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 25520 + ... + 33392.
Almost surely, 2231907088 is an apocalyptic number.
231907088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
231907088 is an abundant number, since it is smaller than the sum of its proper divisors (283619440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231907088 is a wasteful number, since it uses less digits than its factorization.
231907088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8151 (or 8145 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 231907088 is about 15228.4959204775. The cubic root of 231907088 is about 614.3813268567.
The spelling of 231907088 in words is "two hundred thirty-one million, nine hundred seven thousand, eighty-eight".
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