Base | Representation |
---|---|
bin | 1100110110101… |
… | …0010100110101 |
3 | 10202110001120112 |
4 | 3031222110311 |
5 | 102300203020 |
6 | 5203312405 |
7 | 1223152265 |
oct | 315522465 |
9 | 122401515 |
10 | 53912885 |
11 | 28483604 |
12 | 1607b705 |
13 | b228420 |
14 | 72357a5 |
15 | 4aee2c5 |
hex | 336a535 |
53912885 has 32 divisors (see below), whose sum is σ = 74118240. Its totient is φ = 37352448.
The previous prime is 53912869. The next prime is 53912893. The reversal of 53912885 is 58821935.
It can be written as a sum of positive squares in 16 ways, for example, as 21548164 + 32364721 = 4642^2 + 5689^2 .
It is a cyclic number.
It is not a de Polignac number, because 53912885 - 24 = 53912869 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69359 + ... + 70131.
It is an arithmetic number, because the mean of its divisors is an integer number (2316195).
Almost surely, 253912885 is an apocalyptic number.
It is an amenable number.
53912885 is a deficient number, since it is larger than the sum of its proper divisors (20205355).
53912885 is a wasteful number, since it uses less digits than its factorization.
53912885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 857.
The product of its digits is 86400, while the sum is 41.
The square root of 53912885 is about 7342.5394108578. The cubic root of 53912885 is about 377.7729499735.
The spelling of 53912885 in words is "fifty-three million, nine hundred twelve thousand, eight hundred eighty-five".
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