Base | Representation |
---|---|
bin | 101011001111110… |
… | …011001010011101 |
3 | 1212120021100222011 |
4 | 223033303022131 |
5 | 2441220441023 |
6 | 155555151221 |
7 | 23660114101 |
oct | 5317631235 |
9 | 1776240864 |
10 | 725562013 |
11 | 342619530 |
12 | 182ba5511 |
13 | b741c347 |
14 | 6c50d901 |
15 | 43a7150d |
hex | 2b3f329d |
725562013 has 16 divisors (see below), whose sum is σ = 802944576. Its totient is φ = 650122240.
The previous prime is 725561957. The next prime is 725562031. The reversal of 725562013 is 310265527.
It is a cyclic number.
It is not a de Polignac number, because 725562013 - 229 = 188691101 is a prime.
It is a super-2 number, since 2×7255620132 = 1052880469417224338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725562073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595581 + ... + 596797.
It is an arithmetic number, because the mean of its divisors is an integer number (50184036).
Almost surely, 2725562013 is an apocalyptic number.
It is an amenable number.
725562013 is a deficient number, since it is larger than the sum of its proper divisors (77382563).
725562013 is a wasteful number, since it uses less digits than its factorization.
725562013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1964.
The product of its (nonzero) digits is 12600, while the sum is 31.
The square root of 725562013 is about 26936.2583333320. The cubic root of 725562013 is about 898.5829605941.
The spelling of 725562013 in words is "seven hundred twenty-five million, five hundred sixty-two thousand, thirteen".
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