Base | Representation |
---|---|
bin | 111100110010… |
… | …0100010000010 |
3 | 2012222010010111 |
4 | 1321210202002 |
5 | 31124302213 |
6 | 3055021534 |
7 | 534611464 |
oct | 171444202 |
9 | 65863114 |
10 | 31869058 |
11 | 16a97771 |
12 | a80a8aa |
13 | 67aa940 |
14 | 4338134 |
15 | 2be7a3d |
hex | 1e64882 |
31869058 has 16 divisors (see below), whose sum is σ = 51682176. Its totient is φ = 14651280.
The previous prime is 31869043. The next prime is 31869073. The reversal of 31869058 is 85096813.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31869043) and next prime (31869073).
It is a self number, because there is not a number n which added to its sum of digits gives 31869058.
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, 4785 + ... + 9307.
It is an arithmetic number, because the mean of its divisors is an integer number (3230136).
Almost surely, 231869058 is an apocalyptic number.
31869058 is a deficient number, since it is larger than the sum of its proper divisors (19813118).
31869058 is a wasteful number, since it uses less digits than its factorization.
31869058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4809.
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 31869058 is about 5645.2686384263. The cubic root of 31869058 is about 317.0465820018.
The spelling of 31869058 in words is "thirty-one million, eight hundred sixty-nine thousand, fifty-eight".
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