Base | Representation |
---|---|
bin | 101011001111110… |
… | …101101010100111 |
3 | 1212120021220000210 |
4 | 223033311222213 |
5 | 2441221303023 |
6 | 155555310503 |
7 | 23660156013 |
oct | 5317655247 |
9 | 1776256023 |
10 | 725572263 |
11 | 3426261a9 |
12 | 182bab433 |
13 | b7423c00 |
14 | 6c513543 |
15 | 43a74593 |
hex | 2b3f5aa7 |
725572263 has 24 divisors (see below), whose sum is σ = 1049497680. Its totient is φ = 445685760.
The previous prime is 725572259. The next prime is 725572303. The reversal of 725572263 is 362275527.
It is not a de Polignac number, because 725572263 - 22 = 725572259 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725572363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388953 + ... + 390813.
It is an arithmetic number, because the mean of its divisors is an integer number (43729070).
Almost surely, 2725572263 is an apocalyptic number.
725572263 is a deficient number, since it is larger than the sum of its proper divisors (323925417).
725572263 is a wasteful number, since it uses less digits than its factorization.
725572263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2659 (or 2646 counting only the distinct ones).
The product of its digits is 176400, while the sum is 39.
The square root of 725572263 is about 26936.4485966506. The cubic root of 725572263 is about 898.5871919953.
The spelling of 725572263 in words is "seven hundred twenty-five million, five hundred seventy-two thousand, two hundred sixty-three".
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