Base | Representation |
---|---|
bin | 111011111110… |
… | …1010000001011 |
3 | 2012011121211200 |
4 | 1313331100023 |
5 | 31022233102 |
6 | 3041555243 |
7 | 531200244 |
oct | 167752013 |
9 | 65147750 |
10 | 31446027 |
11 | 16828958 |
12 | a645b23 |
13 | 6690222 |
14 | 4267ccb |
15 | 2b6251c |
hex | 1dfd40b |
31446027 has 12 divisors (see below), whose sum is σ = 45593184. Its totient is φ = 20885040.
The previous prime is 31446011. The next prime is 31446031. The reversal of 31446027 is 72064413.
It is not a de Polignac number, because 31446027 - 24 = 31446011 is a prime.
It is a super-2 number, since 2×314460272 = 1977705228169458, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31446067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4008 + ... + 8885.
It is an arithmetic number, because the mean of its divisors is an integer number (3799432).
Almost surely, 231446027 is an apocalyptic number.
31446027 is a deficient number, since it is larger than the sum of its proper divisors (14147157).
31446027 is a wasteful number, since it uses less digits than its factorization.
31446027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13170 (or 13167 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 31446027 is about 5607.6757217229. The cubic root of 31446027 is about 315.6374995801.
The spelling of 31446027 in words is "thirty-one million, four hundred forty-six thousand, twenty-seven".
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