Base | Representation |
---|---|
bin | 111011011010… |
… | …0100000011100 |
3 | 2011121111002212 |
4 | 1312310200130 |
5 | 30433214220 |
6 | 3031335552 |
7 | 525516446 |
oct | 166644034 |
9 | 64544085 |
10 | 31148060 |
11 | 16644aa9 |
12 | a5215b8 |
13 | 65b7708 |
14 | 41cb496 |
15 | 2b040c5 |
hex | 1db481c |
31148060 has 12 divisors (see below), whose sum is σ = 65410968. Its totient is φ = 12459216.
The previous prime is 31148023. The next prime is 31148071. The reversal of 31148060 is 6084113.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778682 + ... + 778721.
It is an arithmetic number, because the mean of its divisors is an integer number (5450914).
Almost surely, 231148060 is an apocalyptic number.
It is an amenable number.
31148060 is an abundant number, since it is smaller than the sum of its proper divisors (34262908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31148060 is a wasteful number, since it uses less digits than its factorization.
31148060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1557412 (or 1557410 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 31148060 is about 5581.0447050709. The cubic root of 31148060 is about 314.6373924417.
The spelling of 31148060 in words is "thirty-one million, one hundred forty-eight thousand, sixty".
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