Base | Representation |
---|---|
bin | 1100101000011… |
… | …0110100000001 |
3 | 10200200201021000 |
4 | 3022012310001 |
5 | 102030342433 |
6 | 5131322213 |
7 | 1212221352 |
oct | 312066401 |
9 | 120621230 |
10 | 52980993 |
11 | 279a744a |
12 | 158b0369 |
13 | ac90200 |
14 | 7071d29 |
15 | 49b8113 |
hex | 3286d01 |
52980993 has 48 divisors (see below), whose sum is σ = 90123840. Its totient is φ = 30640896.
The previous prime is 52980931. The next prime is 52981013. The reversal of 52980993 is 39908925.
It is not a de Polignac number, because 52980993 - 28 = 52980737 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52980923) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77230 + ... + 77912.
It is an arithmetic number, because the mean of its divisors is an integer number (1877580).
Almost surely, 252980993 is an apocalyptic number.
It is an amenable number.
52980993 is a deficient number, since it is larger than the sum of its proper divisors (37142847).
52980993 is a wasteful number, since it uses less digits than its factorization.
52980993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 735 (or 716 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 45.
The square root of 52980993 is about 7278.8043661030. The cubic root of 52980993 is about 375.5836670826.
The spelling of 52980993 in words is "fifty-two million, nine hundred eighty thousand, nine hundred ninety-three".
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