Base | Representation |
---|---|
bin | 111100101110… |
… | …1001101001100 |
3 | 2012220120222011 |
4 | 1321131031030 |
5 | 31122322202 |
6 | 3054231004 |
7 | 534425140 |
oct | 171351514 |
9 | 65816864 |
10 | 31839052 |
11 | 16a77173 |
12 | a7b5464 |
13 | 679a09b |
14 | 432b220 |
15 | 2bddbd7 |
hex | 1e5d34c |
31839052 has 12 divisors (see below), whose sum is σ = 63678160. Its totient is φ = 13645296.
The previous prime is 31839047. The next prime is 31839053. The reversal of 31839052 is 25093813.
It is a happy number.
31839052 is an admirable number.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (31839053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568527 + ... + 568582.
Almost surely, 231839052 is an apocalyptic number.
It is an amenable number.
31839052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31839052 is a wasteful number, since it uses less digits than its factorization.
31839052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1137120 (or 1137118 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 31839052 is about 5642.6103888183. The cubic root of 31839052 is about 316.9470467199.
The spelling of 31839052 in words is "thirty-one million, eight hundred thirty-nine thousand, fifty-two".
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