Base | Representation |
---|---|
bin | 111011010001… |
… | …1001011101110 |
3 | 2011110212202210 |
4 | 1312203023232 |
5 | 30423431402 |
6 | 3030031250 |
7 | 525102540 |
oct | 166431356 |
9 | 64425683 |
10 | 31077102 |
11 | 165a6761 |
12 | a4a8526 |
13 | 6591324 |
14 | 41ad690 |
15 | 2add06c |
hex | 1da32ee |
31077102 has 16 divisors (see below), whose sum is σ = 71033472. Its totient is φ = 8879160.
The previous prime is 31077043. The next prime is 31077107. The reversal of 31077102 is 20177013.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31077107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369924 + ... + 370007.
It is an arithmetic number, because the mean of its divisors is an integer number (4439592).
Almost surely, 231077102 is an apocalyptic number.
31077102 is an abundant number, since it is smaller than the sum of its proper divisors (39956370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31077102 is a wasteful number, since it uses less digits than its factorization.
31077102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 739943.
The product of its (nonzero) digits is 294, while the sum is 21.
The square root of 31077102 is about 5574.6840269203. The cubic root of 31077102 is about 314.3982869657.
The spelling of 31077102 in words is "thirty-one million, seventy-seven thousand, one hundred two".
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