Search a number
-
+
250139590 = 258323631
BaseRepresentation
bin11101110100011…
…01001111000110
3122102200102000021
432322031033012
51003013431330
640453205354
76125102641
oct1672151706
9572612007
10250139590
11119219638
126b93085a
133ca910bc
1425314a58
1516e6067a
hexee8d3c6

250139590 has 24 divisors (see below), whose sum is σ = 455866848. Its totient is φ = 98823120.

The previous prime is 250139569. The next prime is 250139611. The reversal of 250139590 is 95931052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (250139569) and next prime (250139611).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67075 + ... + 70705.

It is an arithmetic number, because the mean of its divisors is an integer number (18994452).

Almost surely, 2250139590 is an apocalyptic number.

250139590 is a deficient number, since it is larger than the sum of its proper divisors (205727258).

250139590 is an equidigital number, since it uses as much as digits as its factorization.

250139590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 250139590 is about 15815.8019082182. The cubic root of 250139590 is about 630.0777513849.

The spelling of 250139590 in words is "two hundred fifty million, one hundred thirty-nine thousand, five hundred ninety".

Divisors: 1 2 5 10 83 166 415 830 3631 6889 7262 13778 18155 34445 36310 68890 301373 602746 1506865 3013730 25013959 50027918 125069795 250139590