Base | Representation |
---|---|
bin | 1100101010011… |
… | …1101110001110 |
3 | 10200221120011111 |
4 | 3022213232032 |
5 | 102044201130 |
6 | 5134242234 |
7 | 1213322350 |
oct | 312475616 |
9 | 120846144 |
10 | 53115790 |
11 | 27a89752 |
12 | 1595637a |
13 | b009680 |
14 | 70a90d0 |
15 | 49e302a |
hex | 32a7b8e |
53115790 has 32 divisors (see below), whose sum is σ = 117673920. Its totient is φ = 16809984.
The previous prime is 53115737. The next prime is 53115847. The reversal of 53115790 is 9751135.
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, 28275 + ... + 30094.
It is an arithmetic number, because the mean of its divisors is an integer number (3677310).
Almost surely, 253115790 is an apocalyptic number.
53115790 is an abundant number, since it is smaller than the sum of its proper divisors (64558130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53115790 is a wasteful number, since it uses less digits than its factorization.
53115790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58396.
The product of its (nonzero) digits is 4725, while the sum is 31.
The square root of 53115790 is about 7288.0580403836. The cubic root of 53115790 is about 375.9019238314.
The spelling of 53115790 in words is "fifty-three million, one hundred fifteen thousand, seven hundred ninety".
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