Base | Representation |
---|---|
bin | 111011010001… |
… | …0011110010000 |
3 | 2011110201210000 |
4 | 1312202132100 |
5 | 30423333232 |
6 | 3030010000 |
7 | 525061212 |
oct | 166423620 |
9 | 64421700 |
10 | 31074192 |
11 | 165a4556 |
12 | a4a6900 |
13 | 658cbc6 |
14 | 41ac5b2 |
15 | 2adc27c |
hex | 1da2790 |
31074192 has 50 divisors (see below), whose sum is σ = 89941478. Its totient is φ = 10357632.
The previous prime is 31074163. The next prime is 31074217. The reversal of 31074192 is 29147013.
It can be written as a sum of positive squares in only one way, i.e., 25765776 + 5308416 = 5076^2 + 2304^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10693 + ... + 13284.
Almost surely, 231074192 is an apocalyptic number.
It is an amenable number.
31074192 is an abundant number, since it is smaller than the sum of its proper divisors (58867286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31074192 is a wasteful number, since it uses less digits than its factorization.
31074192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23997 (or 23982 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 31074192 is about 5574.4230194703. The cubic root of 31074192 is about 314.3884734426.
The spelling of 31074192 in words is "thirty-one million, seventy-four thousand, one hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •