Base | Representation |
---|---|
bin | 111011010001… |
… | …0111110000010 |
3 | 2011110211120100 |
4 | 1312202332002 |
5 | 30423414401 |
6 | 3030023230 |
7 | 525100146 |
oct | 166427602 |
9 | 64424510 |
10 | 31076226 |
11 | 165a6035 |
12 | a4a7b16 |
13 | 6590acc |
14 | 41ad226 |
15 | 2adcb86 |
hex | 1da2f82 |
31076226 has 48 divisors (see below), whose sum is σ = 71580600. Its totient is φ = 9725184.
The previous prime is 31076209. The next prime is 31076231. The reversal of 31076226 is 62267013.
It is a happy number.
31076226 is a `hidden beast` number, since 31 + 0 + 7 + 622 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 30239001 + 837225 = 5499^2 + 915^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31076226.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18510 + ... + 20118.
Almost surely, 231076226 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31076226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35790300).
31076226 is an abundant number, since it is smaller than the sum of its proper divisors (40504374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31076226 is a wasteful number, since it uses less digits than its factorization.
31076226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1683 (or 1680 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 31076226 is about 5574.6054568911. The cubic root of 31076226 is about 314.3953328562.
The spelling of 31076226 in words is "thirty-one million, seventy-six thousand, two hundred twenty-six".
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