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250425137 = 584342859
BaseRepresentation
bin11101110110100…
…10111100110001
3122110012220201002
432323102330301
51003102101022
640503251345
76130402304
oct1673227461
9573186632
10250425137
111193a4126
126ba49b55
133cb61071
142538ab3b
1516eba092
hexeed2f31

250425137 has 4 divisors (see below), whose sum is σ = 250473840. Its totient is φ = 250376436.

The previous prime is 250425107. The next prime is 250425143. The reversal of 250425137 is 731524052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250425137 - 216 = 250359601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250425107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15587 + ... + 27272.

It is an arithmetic number, because the mean of its divisors is an integer number (62618460).

Almost surely, 2250425137 is an apocalyptic number.

It is an amenable number.

250425137 is a deficient number, since it is larger than the sum of its proper divisors (48703).

250425137 is an equidigital number, since it uses as much as digits as its factorization.

250425137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48702.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 250425137 is about 15824.8266025255. The cubic root of 250425137 is about 630.3174154243.

Adding to 250425137 its reverse (731524052), we get a palindrome (981949189).

The spelling of 250425137 in words is "two hundred fifty million, four hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 5843 42859 250425137