Base | Representation |
---|---|
bin | 11101111001000… |
… | …10111000010000 |
3 | 122110211112210200 |
4 | 32330202320100 |
5 | 1003143040103 |
6 | 40514255200 |
7 | 6133234635 |
oct | 1674427020 |
9 | 573745720 |
10 | 250752528 |
11 | 1195a80a4 |
12 | 6bb87500 |
13 | 3cc470a0 |
14 | 2543418c |
15 | 170320a3 |
hex | ef22e10 |
250752528 has 60 divisors (see below), whose sum is σ = 755745900. Its totient is φ = 77154048.
The previous prime is 250752511. The next prime is 250752539. The reversal of 250752528 is 825257052.
It can be written as a sum of positive squares in 2 ways, for example, as 100641024 + 150111504 = 10032^2 + 12252^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 250752492 and 250752501.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65103 + ... + 68846.
It is an arithmetic number, because the mean of its divisors is an integer number (12595765).
Almost surely, 2250752528 is an apocalyptic number.
It is an amenable number.
250752528 is an abundant number, since it is smaller than the sum of its proper divisors (504993372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250752528 is a wasteful number, since it uses less digits than its factorization.
250752528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133976 (or 133967 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 36.
The square root of 250752528 is about 15835.1674446467. The cubic root of 250752528 is about 630.5919757033.
The spelling of 250752528 in words is "two hundred fifty million, seven hundred fifty-two thousand, five hundred twenty-eight".
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