Base | Representation |
---|---|
bin | 11011100010011… |
… | …01101011011111 |
3 | 121002200021010212 |
4 | 31301031223133 |
5 | 433114124040 |
6 | 34531123035 |
7 | 5503336442 |
oct | 1561155337 |
9 | 532607125 |
10 | 231004895 |
11 | 10943a440 |
12 | 6544347b |
13 | 38b217b4 |
14 | 22973659 |
15 | 15430d65 |
hex | dc4dadf |
231004895 has 16 divisors (see below), whose sum is σ = 303743520. Its totient is φ = 167260800.
The previous prime is 231004889. The next prime is 231004903. The reversal of 231004895 is 598400132.
It is a de Polignac number, because none of the positive numbers 2k-231004895 is a prime.
It is a super-2 number, since 2×2310048952 = 106726523027922050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425 + ... + 21765.
It is an arithmetic number, because the mean of its divisors is an integer number (18983970).
Almost surely, 2231004895 is an apocalyptic number.
231004895 is a deficient number, since it is larger than the sum of its proper divisors (72738625).
231004895 is a wasteful number, since it uses less digits than its factorization.
231004895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18586.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 231004895 is about 15198.8451863949. The cubic root of 231004895 is about 613.5835779477.
The spelling of 231004895 in words is "two hundred thirty-one million, four thousand, eight hundred ninety-five".
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