Base | Representation |
---|---|
bin | 111100100010… |
… | …1100000000100 |
3 | 2012201122210000 |
4 | 1321011200010 |
5 | 31111220311 |
6 | 3052201300 |
7 | 533542101 |
oct | 171054004 |
9 | 65648700 |
10 | 31741956 |
11 | 16a10224 |
12 | a769230 |
13 | 6764b2c |
14 | 4303aa8 |
15 | 2bc0056 |
hex | 1e45804 |
31741956 has 45 divisors (see below), whose sum is σ = 83245701. Its totient is φ = 10546848.
The previous prime is 31741949. The next prime is 31741961. The reversal of 31741956 is 65914713.
The square root of 31741956 is 5634.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 202500 + 31539456 = 450^2 + 5616^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 31741956.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 101256 + ... + 101568.
Almost surely, 231741956 is an apocalyptic number.
31741956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
31741956 is the 5634-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31741956
31741956 is an abundant number, since it is smaller than the sum of its proper divisors (51503745).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31741956 is an equidigital number, since it uses as much as digits as its factorization.
31741956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 642 (or 318 counting only the distinct ones).
The product of its digits is 22680, while the sum is 36.
The cubic root of 31741956 is about 316.6245326520.
Multiplying 31741956 by its sum of digits (36), we get a square (1142710416 = 338042).
31741956 divided by its sum of digits (36) gives a square (881721 = 9392).
The spelling of 31741956 in words is "thirty-one million, seven hundred forty-one thousand, nine hundred fifty-six".
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