Base | Representation |
---|---|
bin | 11011100011110… |
… | …01101000101110 |
3 | 121010000102010021 |
4 | 31301321220232 |
5 | 433140404232 |
6 | 34535032354 |
7 | 5505016402 |
oct | 1561715056 |
9 | 533012107 |
10 | 231184942 |
11 | 10955273a |
12 | 6550b6ba |
13 | 38b85731 |
14 | 229bd102 |
15 | 15469397 |
hex | dc79a2e |
231184942 has 16 divisors (see below), whose sum is σ = 358300800. Its totient is φ = 111803832.
The previous prime is 231184931. The next prime is 231184957. The reversal of 231184942 is 249481132.
It is a junction number, because it is equal to n+sod(n) for n = 231184898 and 231184907.
It is a congruent number.
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, 4192 + ... + 21907.
It is an arithmetic number, because the mean of its divisors is an integer number (22393800).
Almost surely, 2231184942 is an apocalyptic number.
231184942 is a deficient number, since it is larger than the sum of its proper divisors (127115858).
231184942 is a wasteful number, since it uses less digits than its factorization.
231184942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26247.
The product of its digits is 13824, while the sum is 34.
The square root of 231184942 is about 15204.7670814123. The cubic root of 231184942 is about 613.7429471442.
The spelling of 231184942 in words is "two hundred thirty-one million, one hundred eighty-four thousand, nine hundred forty-two".
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