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250135080 = 233513160343
BaseRepresentation
bin11101110100011…
…00001000101000
3122102200011211020
432322030020220
51003013310310
640453132440
76125053536
oct1672141050
9572604736
10250135080
11119216208
126b92a120
133ca8c030
1425313156
1516e5e170
hexee8c228

250135080 has 64 divisors (see below), whose sum is σ = 808133760. Its totient is φ = 61571328.

The previous prime is 250135079. The next prime is 250135139. The reversal of 250135080 is 80531052.

250135080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 250135080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78612 + ... + 81731.

It is an arithmetic number, because the mean of its divisors is an integer number (12627090).

Almost surely, 2250135080 is an apocalyptic number.

250135080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250135080 is an abundant number, since it is smaller than the sum of its proper divisors (557998680).

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

250135080 is a wasteful number, since it uses less digits than its factorization.

250135080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160370 (or 160366 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 250135080 is about 15815.6593286527. The cubic root of 250135080 is about 630.0739646089.

The spelling of 250135080 in words is "two hundred fifty million, one hundred thirty-five thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 160343 320686 481029 641372 801715 962058 1282744 1603430 1924116 2084459 2405145 3206860 3848232 4168918 4810290 6253377 6413720 8337836 9620580 10422295 12506754 16675672 19241160 20844590 25013508 31266885 41689180 50027016 62533770 83378360 125067540 250135080