Base | Representation |
---|---|
bin | 111100000100… |
… | …1000001100100 |
3 | 2012021001222111 |
4 | 1320021001210 |
5 | 31030303434 |
6 | 3043010404 |
7 | 531460645 |
oct | 170110144 |
9 | 65231874 |
10 | 31494244 |
11 | 16861101 |
12 | a669a04 |
13 | 66a9162 |
14 | 427b6cc |
15 | 2b71964 |
hex | 1e09064 |
31494244 has 12 divisors (see below), whose sum is σ = 55870444. Its totient is φ = 15531264.
The previous prime is 31494241. The next prime is 31494247. The reversal of 31494244 is 44249413.
It is an interprime number because it is at equal distance from previous prime (31494241) and next prime (31494247).
It can be written as a sum of positive squares in 2 ways, for example, as 13601344 + 17892900 = 3688^2 + 4230^2 .
It is not an unprimeable number, because it can be changed into a prime (31494241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53637 + ... + 54220.
Almost surely, 231494244 is an apocalyptic number.
It is an amenable number.
31494244 is a deficient number, since it is larger than the sum of its proper divisors (24376200).
31494244 is a wasteful number, since it uses less digits than its factorization.
31494244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107934 (or 107932 counting only the distinct ones).
The product of its digits is 13824, while the sum is 31.
The square root of 31494244 is about 5611.9732714973. The cubic root of 31494244 is about 315.7987422211.
The spelling of 31494244 in words is "thirty-one million, four hundred ninety-four thousand, two hundred forty-four".
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