Base | Representation |
---|---|
bin | 101011001111010… |
… | …001110000110100 |
3 | 1212120000102022011 |
4 | 223033101300310 |
5 | 2441202101304 |
6 | 155552214004 |
7 | 23656004200 |
oct | 5317216064 |
9 | 1776012264 |
10 | 725425204 |
11 | 342535769 |
12 | 182b3a304 |
13 | b73a1caa |
14 | 6c4b5b00 |
15 | 43a45c04 |
hex | 2b3d1c34 |
725425204 has 36 divisors (see below), whose sum is σ = 1504643364. Its totient is φ = 305026176.
The previous prime is 725425201. The next prime is 725425231. The reversal of 725425204 is 402524527.
725425204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 250272400 + 475152804 = 15820^2 + 21798^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725425201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24529 + ... + 45304.
It is an arithmetic number, because the mean of its divisors is an integer number (41795649).
Almost surely, 2725425204 is an apocalyptic number.
It is an amenable number.
725425204 is an abundant number, since it is smaller than the sum of its proper divisors (779218160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725425204 is a wasteful number, since it uses less digits than its factorization.
725425204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69904 (or 69895 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 31.
The square root of 725425204 is about 26933.7187183649. The cubic root of 725425204 is about 898.5264793370.
The spelling of 725425204 in words is "seven hundred twenty-five million, four hundred twenty-five thousand, two hundred four".
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