Base | Representation |
---|---|
bin | 101011001111100… |
… | …100100100010001 |
3 | 1212120011022221210 |
4 | 223033210210101 |
5 | 2441212032400 |
6 | 155554010333 |
7 | 23656444560 |
oct | 5317444421 |
9 | 1776138853 |
10 | 725502225 |
11 | 342588618 |
12 | 182b769a9 |
13 | b73cb076 |
14 | 6c4d5bd7 |
15 | 43a5d950 |
hex | 2b3e4911 |
725502225 has 48 divisors (see below), whose sum is σ = 1430479872. Its totient is φ = 317232960.
The previous prime is 725502223. The next prime is 725502227. The reversal of 725502225 is 522205527.
It is an interprime number because it is at equal distance from previous prime (725502223) and next prime (725502227).
It is not a de Polignac number, because 725502225 - 21 = 725502223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 725502192 and 725502201.
It is not an unprimeable number, because it can be changed into a prime (725502221) 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, 17967 + ... + 42116.
It is an arithmetic number, because the mean of its divisors is an integer number (29801664).
Almost surely, 2725502225 is an apocalyptic number.
725502225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
725502225 is a deficient number, since it is larger than the sum of its proper divisors (704977647).
725502225 is a wasteful number, since it uses less digits than its factorization.
725502225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60126 (or 60121 counting only the distinct ones).
The product of its (nonzero) digits is 14000, while the sum is 30.
The square root of 725502225 is about 26935.1485052524. The cubic root of 725502225 is about 898.5582781397.
The spelling of 725502225 in words is "seven hundred twenty-five million, five hundred two thousand, two hundred twenty-five".
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