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252918 = 23214051
BaseRepresentation
bin111101101111110110
3110211221100
4331233312
531043133
65230530
72102241
oct755766
9424840
10252918
11163026
12102446
138b173
1468258
154ee13
hex3dbf6

252918 has 12 divisors (see below), whose sum is σ = 548028. Its totient is φ = 84300.

The previous prime is 252913. The next prime is 252919. The reversal of 252918 is 819252.

It is a junction number, because it is equal to n+sod(n) for n = 252891 and 252900.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252918.

It is not an unprimeable number, because it can be changed into a prime (252911) by changing a digit.

252918 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7008 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (45669).

2252918 is an apocalyptic number.

252918 is an abundant number, since it is smaller than the sum of its proper divisors (295110).

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

252918 is a wasteful number, since it uses less digits than its factorization.

252918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059 (or 14056 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 252918 is about 502.9095346084. The cubic root of 252918 is about 63.2402016828.

The spelling of 252918 in words is "two hundred fifty-two thousand, nine hundred eighteen".

Divisors: 1 2 3 6 9 18 14051 28102 42153 84306 126459 252918