Base | Representation |
---|---|
bin | 11101111010000… |
… | …10000110000001 |
3 | 122111002001012010 |
4 | 32331002012001 |
5 | 1003211133020 |
6 | 40521123133 |
7 | 6134306460 |
oct | 1675020601 |
9 | 574061163 |
10 | 250880385 |
11 | 119685168 |
12 | 700294a9 |
13 | 3cc90342 |
14 | 254689d7 |
15 | 17059de0 |
hex | ef42181 |
250880385 has 32 divisors (see below), whose sum is σ = 459360000. Its totient is φ = 114536448.
The previous prime is 250880381. The next prime is 250880393. The reversal of 250880385 is 583088052.
It is not a de Polignac number, because 250880385 - 22 = 250880381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (250880381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130189 + ... + 132101.
It is an arithmetic number, because the mean of its divisors is an integer number (14355000).
Almost surely, 2250880385 is an apocalyptic number.
It is an amenable number.
250880385 is a deficient number, since it is larger than the sum of its proper divisors (208479615).
250880385 is a wasteful number, since it uses less digits than its factorization.
250880385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3177.
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 250880385 is about 15839.2040519718. The cubic root of 250880385 is about 630.6991356713.
The spelling of 250880385 in words is "two hundred fifty million, eight hundred eighty thousand, three hundred eighty-five".
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