Base | Representation |
---|---|
bin | 11101110100010… |
… | …11000100100101 |
3 | 122102122221211221 |
4 | 32322023010211 |
5 | 1003013140400 |
6 | 40453100341 |
7 | 6125035045 |
oct | 1672130445 |
9 | 572587757 |
10 | 250130725 |
11 | 119212a09 |
12 | 6b9276b1 |
13 | 3ca8a060 |
14 | 25311725 |
15 | 16e5cc1a |
hex | ee8b125 |
250130725 has 24 divisors (see below), whose sum is σ = 351609440. Its totient is φ = 174985920.
The previous prime is 250130719. The next prime is 250130729. The reversal of 250130725 is 527031052.
250130725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 250130725 - 219 = 249606437 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 250130725.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250130729) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14079 + ... + 26428.
Almost surely, 2250130725 is an apocalyptic number.
250130725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
250130725 is a deficient number, since it is larger than the sum of its proper divisors (101478715).
250130725 is a wasteful number, since it uses less digits than its factorization.
250130725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40549 (or 40544 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 250130725 is about 15815.5216480520. The cubic root of 250130725 is about 630.0703079340.
Adding to 250130725 its reverse (527031052), we get a palindrome (777161777).
The spelling of 250130725 in words is "two hundred fifty million, one hundred thirty thousand, seven hundred twenty-five".
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