Base | Representation |
---|---|
bin | 1100110001001… |
… | …1011100101110 |
3 | 10201202222110000 |
4 | 3030103130232 |
5 | 102202311123 |
6 | 5151525130 |
7 | 1220140653 |
oct | 314233456 |
9 | 121688400 |
10 | 53557038 |
11 | 28260217 |
12 | 15b297a6 |
13 | b132472 |
14 | 7181c2a |
15 | 4a7db43 |
hex | 331372e |
53557038 has 40 divisors (see below), whose sum is σ = 127073232. Its totient is φ = 16801344.
The previous prime is 53557037. The next prime is 53557061. The reversal of 53557038 is 83075535.
53557038 is a `hidden beast` number, since 53 + 5 + 570 + 38 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 53556993 and 53557011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53557033) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6970 + ... + 12477.
Almost surely, 253557038 is an apocalyptic number.
53557038 is an abundant number, since it is smaller than the sum of its proper divisors (73516194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53557038 is a wasteful number, since it uses less digits than its factorization.
53557038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19478 (or 19469 counting only the distinct ones).
The product of its (nonzero) digits is 63000, while the sum is 36.
The square root of 53557038 is about 7318.2674179071. The cubic root of 53557038 is about 376.9399628121.
The spelling of 53557038 in words is "fifty-three million, five hundred fifty-seven thousand, thirty-eight".
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