Base | Representation |
---|---|
bin | 1100110000111… |
… | …0100100000111 |
3 | 10201201222000000 |
4 | 3030032210013 |
5 | 102201141111 |
6 | 5151252343 |
7 | 1220025432 |
oct | 314164407 |
9 | 121658000 |
10 | 53537031 |
11 | 28247189 |
12 | 15b1a0b3 |
13 | b126322 |
14 | 7178819 |
15 | 4a77c56 |
hex | 330e907 |
53537031 has 56 divisors (see below), whose sum is σ = 87300096. Its totient is φ = 32717520.
The previous prime is 53537017. The next prime is 53537059. The reversal of 53537031 is 13073535.
It is not a de Polignac number, because 53537031 - 211 = 53534983 is a prime.
It is a super-2 number, since 2×535370312 = 5732427376589922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 53536986 and 53537004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53537831) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 519726 + ... + 519828.
Almost surely, 253537031 is an apocalyptic number.
53537031 is a deficient number, since it is larger than the sum of its proper divisors (33763065).
53537031 is a wasteful number, since it uses less digits than its factorization.
53537031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175 (or 160 counting only the distinct ones).
The product of its (nonzero) digits is 4725, while the sum is 27.
The square root of 53537031 is about 7316.9003683254. The cubic root of 53537031 is about 376.8930198557.
The spelling of 53537031 in words is "fifty-three million, five hundred thirty-seven thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •