Search a number
-
+
250025080 = 2357188037
BaseRepresentation
bin11101110011100…
…01010001111000
3122102110120221011
432321301101320
51003001300310
640450523304
76124115044
oct1671612170
9572416834
10250025080
111191505a8
126b896534
133ca50c46
14252c5024
1516e3b78a
hexee71478

250025080 has 32 divisors (see below), whose sum is σ = 570486240. Its totient is φ = 98600320.

The previous prime is 250025071. The next prime is 250025099. The reversal of 250025080 is 80520052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41179 + ... + 46858.

It is an arithmetic number, because the mean of its divisors is an integer number (17827695).

Almost surely, 2250025080 is an apocalyptic number.

250025080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250025080 is an abundant number, since it is smaller than the sum of its proper divisors (320461160).

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

250025080 is a wasteful number, since it uses less digits than its factorization.

250025080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88119 (or 88115 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 250025080 is about 15812.1813801891. The cubic root of 250025080 is about 629.9815901230.

The spelling of 250025080 in words is "two hundred fifty million, twenty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 88037 176074 352148 440185 704296 880370 1760740 3521480 6250627 12501254 25002508 31253135 50005016 62506270 125012540 250025080