Base | Representation |
---|---|
bin | 11011101001010… |
… | …11001110110000 |
3 | 121011101100221222 |
4 | 31310223032300 |
5 | 433332143433 |
6 | 35002404212 |
7 | 5514136232 |
oct | 1564531660 |
9 | 534340858 |
10 | 231912368 |
11 | 1099aa216 |
12 | 65800668 |
13 | 3907b86c |
14 | 22b2c252 |
15 | 1555eb98 |
hex | dd2b3b0 |
231912368 has 40 divisors (see below), whose sum is σ = 476808768. Its totient is φ = 108895232.
The previous prime is 231912323. The next prime is 231912371. The reversal of 231912368 is 863219132.
It is a super-3 number, since 3×2319123683 (a number of 26 digits) contains 333 as substring.
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, 209705 + ... + 210807.
Almost surely, 2231912368 is an apocalyptic number.
It is an amenable number.
231912368 is an abundant number, since it is smaller than the sum of its proper divisors (244896400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231912368 is a wasteful number, since it uses less digits than its factorization.
231912368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1901 (or 1895 counting only the distinct ones).
The product of its digits is 15552, while the sum is 35.
The square root of 231912368 is about 15228.6692786993. The cubic root of 231912368 is about 614.3859895125.
The spelling of 231912368 in words is "two hundred thirty-one million, nine hundred twelve thousand, three hundred sixty-eight".
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