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250530318 = 23213918351
BaseRepresentation
bin11101110111011…
…00101000001110
3122110102020222200
432323230220032
51003113432233
640505422330
76131321043
oct1673545016
9573366880
10250530318
11119466155
126ba9a9a6
133cb99bbc
14253b71ca
1516edb313
hexeeeca0e

250530318 has 12 divisors (see below), whose sum is σ = 542815728. Its totient is φ = 83510100.

The previous prime is 250530317. The next prime is 250530323. The reversal of 250530318 is 813035052.

It is a super-2 number, since 2×2505303182 = 125530880474362248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250530291 and 250530300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250530317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6959158 + ... + 6959193.

It is an arithmetic number, because the mean of its divisors is an integer number (45234644).

Almost surely, 2250530318 is an apocalyptic number.

250530318 is an abundant number, since it is smaller than the sum of its proper divisors (292285410).

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

250530318 is a wasteful number, since it uses less digits than its factorization.

250530318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918359 (or 13918356 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 250530318 is about 15828.1495444035. The cubic root of 250530318 is about 630.4056495597.

It can be divided in two parts, 2505 and 30318, that added together give a palindrome (32823).

The spelling of 250530318 in words is "two hundred fifty million, five hundred thirty thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 13918351 27836702 41755053 83510106 125265159 250530318