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250523085 = 3516701539
BaseRepresentation
bin11101110111010…
…10110111001101
3122110101220001210
432323222313031
51003113214320
640505325033
76131261001
oct1673526715
9573356053
10250523085
1111946077a
126ba96779
133cb96817
14253b4701
1516ed90e0
hexeeeadcd

250523085 has 8 divisors (see below), whose sum is σ = 400836960. Its totient is φ = 133612304.

The previous prime is 250523081. The next prime is 250523099. The reversal of 250523085 is 580325052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250523085 - 22 = 250523081 is a prime.

It is a super-2 number, since 2×2505230852 = 125523632235834450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250523081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8350755 + ... + 8350784.

It is an arithmetic number, because the mean of its divisors is an integer number (50104620).

Almost surely, 2250523085 is an apocalyptic number.

It is an amenable number.

250523085 is a deficient number, since it is larger than the sum of its proper divisors (150313875).

250523085 is a wasteful number, since it uses less digits than its factorization.

250523085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701547.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 250523085 is about 15827.9210574225. The cubic root of 250523085 is about 630.3995827385.

The spelling of 250523085 in words is "two hundred fifty million, five hundred twenty-three thousand, eighty-five".

Divisors: 1 3 5 15 16701539 50104617 83507695 250523085