Base | Representation |
---|---|
bin | 1100101010101… |
… | …1011100100101 |
3 | 10200222100002111 |
4 | 3022223130211 |
5 | 102100143140 |
6 | 5134441021 |
7 | 1213415002 |
oct | 312533445 |
9 | 120870074 |
10 | 53131045 |
11 | 27a9a160 |
12 | 15963171 |
13 | b0135b6 |
14 | 70b08a9 |
15 | 49e77ea |
hex | 32ab725 |
53131045 has 16 divisors (see below), whose sum is σ = 71953920. Its totient is φ = 37307200.
The previous prime is 53131037. The next prime is 53131063. The reversal of 53131045 is 54013135.
It is a happy number.
It is not a de Polignac number, because 53131045 - 23 = 53131037 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15061 + ... + 18250.
It is an arithmetic number, because the mean of its divisors is an integer number (4497120).
Almost surely, 253131045 is an apocalyptic number.
53131045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
53131045 is a deficient number, since it is larger than the sum of its proper divisors (18822875).
53131045 is a wasteful number, since it uses less digits than its factorization.
53131045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33356.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 53131045 is about 7289.1045403396. The cubic root of 53131045 is about 375.9379070733.
The spelling of 53131045 in words is "fifty-three million, one hundred thirty-one thousand, forty-five".
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