Base | Representation |
---|---|
bin | 101011010000110… |
… | …011100100011111 |
3 | 1212120202202211220 |
4 | 223100303210133 |
5 | 2441302411243 |
6 | 200004544423 |
7 | 23662263162 |
oct | 5320634437 |
9 | 1776682756 |
10 | 725825823 |
11 | 342789758 |
12 | 1830b2113 |
13 | b74b2448 |
14 | 6c57bad9 |
15 | 43ac4783 |
hex | 2b43391f |
725825823 has 8 divisors (see below), whose sum is σ = 968014128. Its totient is φ = 483760704.
The previous prime is 725825813. The next prime is 725825839. The reversal of 725825823 is 328528527.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 725825823 - 26 = 725825759 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725825803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16036 + ... + 41337.
It is an arithmetic number, because the mean of its divisors is an integer number (121001766).
Almost surely, 2725825823 is an apocalyptic number.
725825823 is a deficient number, since it is larger than the sum of its proper divisors (242188305).
725825823 is a wasteful number, since it uses less digits than its factorization.
725825823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61593.
The product of its digits is 268800, while the sum is 42.
The square root of 725825823 is about 26941.1548193466. The cubic root of 725825823 is about 898.6918538574.
The spelling of 725825823 in words is "seven hundred twenty-five million, eight hundred twenty-five thousand, eight hundred twenty-three".
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