Base | Representation |
---|---|
bin | 11011100100100… |
… | …01011000011101 |
3 | 121010012100112121 |
4 | 31302101120131 |
5 | 433202012310 |
6 | 34541102541 |
7 | 5505603100 |
oct | 1562213035 |
9 | 533170477 |
10 | 231282205 |
11 | 109609820 |
12 | 65557a51 |
13 | 38bbaa9b |
14 | 22a06737 |
15 | 154880da |
hex | dc9161d |
231282205 has 24 divisors (see below), whose sum is σ = 352205280. Its totient is φ = 144174240.
The previous prime is 231282199. The next prime is 231282211. The reversal of 231282205 is 502282132.
231282205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (231282199) and next prime (231282211).
It is not a de Polignac number, because 231282205 - 23 = 231282197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231282205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40215 + ... + 45604.
It is an arithmetic number, because the mean of its divisors is an integer number (14675220).
Almost surely, 2231282205 is an apocalyptic number.
It is an amenable number.
231282205 is a deficient number, since it is larger than the sum of its proper divisors (120923075).
231282205 is a wasteful number, since it uses less digits than its factorization.
231282205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85849 (or 85842 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 231282205 is about 15207.9651827587. The cubic root of 231282205 is about 613.8290053886.
The spelling of 231282205 in words is "two hundred thirty-one million, two hundred eighty-two thousand, two hundred five".
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