Base | Representation |
---|---|
bin | 111011001110… |
… | …1000011100000 |
3 | 2011102121100002 |
4 | 1312131003200 |
5 | 30422131000 |
6 | 3025315132 |
7 | 524636420 |
oct | 166350340 |
9 | 64377302 |
10 | 31052000 |
11 | 16589911 |
12 | a495aa8 |
13 | 6582a85 |
14 | 41a4480 |
15 | 2ad58d5 |
hex | 1d9d0e0 |
31052000 has 96 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 10636800.
The previous prime is 31051973. The next prime is 31052017. The reversal of 31052000 is 25013.
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, 27446 + ... + 28554.
It is an arithmetic number, because the mean of its divisors is an integer number (909090).
Almost surely, 231052000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43636320).
31052000 is an abundant number, since it is smaller than the sum of its proper divisors (56220640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31052000 is a wasteful number, since it uses less digits than its factorization.
31052000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1141 (or 1123 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 31052000 is about 5572.4321440463. The cubic root of 31052000 is about 314.3136142095.
Adding to 31052000 its reverse (25013), we get a palindrome (31077013).
The spelling of 31052000 in words is "thirty-one million, fifty-two thousand".
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