Base | Representation |
---|---|
bin | 111011101000… |
… | …1111010110100 |
3 | 2011211121100210 |
4 | 1313101322310 |
5 | 31001043112 |
6 | 3034105420 |
7 | 526530621 |
oct | 167217264 |
9 | 64747323 |
10 | 31268532 |
11 | 16717569 |
12 | a57b270 |
13 | 662a4b9 |
14 | 421d348 |
15 | 2b29b3c |
hex | 1dd1eb4 |
31268532 has 24 divisors (see below), whose sum is σ = 73714816. Its totient is φ = 10315008.
The previous prime is 31268483. The next prime is 31268533. The reversal of 31268532 is 23586213.
It is a self number, because there is not a number n which added to its sum of digits gives 31268532.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31268533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12268 + ... + 14595.
Almost surely, 231268532 is an apocalyptic number.
It is an amenable number.
31268532 is an abundant number, since it is smaller than the sum of its proper divisors (42446284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31268532 is a wasteful number, since it uses less digits than its factorization.
31268532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26967 (or 26965 counting only the distinct ones).
The product of its digits is 8640, while the sum is 30.
The square root of 31268532 is about 5591.8272505506. The cubic root of 31268532 is about 315.0425137882.
The spelling of 31268532 in words is "thirty-one million, two hundred sixty-eight thousand, five hundred thirty-two".
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