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250425138 = 23233271661
BaseRepresentation
bin11101110110100…
…10111100110010
3122110012220201010
432323102330302
51003102101023
640503251350
76130402305
oct1673227462
9573186633
10250425138
111193a4127
126ba49b56
133cb61072
142538ab3c
1516eba093
hexeed2f32

250425138 has 32 divisors (see below), whose sum is σ = 505619712. Its totient is φ = 82684800.

The previous prime is 250425107. The next prime is 250425143. The reversal of 250425138 is 831524052.

250425138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378528 + ... + 379188.

It is an arithmetic number, because the mean of its divisors is an integer number (15800616).

Almost surely, 2250425138 is an apocalyptic number.

250425138 is an abundant number, since it is smaller than the sum of its proper divisors (255194574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250425138 is a wasteful number, since it uses less digits than its factorization.

250425138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 250425138 is about 15824.8266341215. The cubic root of 250425138 is about 630.3174162633.

The spelling of 250425138 in words is "two hundred fifty million, four hundred twenty-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 233 271 466 542 661 699 813 1322 1398 1626 1983 3966 63143 126286 154013 179131 189429 308026 358262 378858 462039 537393 924078 1074786 41737523 83475046 125212569 250425138