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253060 = 22512653
BaseRepresentation
bin111101110010000100
3110212010121
4331302010
531044220
65231324
72102533
oct756204
9425117
10253060
11163145
12102544
138b252
146831a
154eeaa
hex3dc84

253060 has 12 divisors (see below), whose sum is σ = 531468. Its totient is φ = 101216.

The previous prime is 253049. The next prime is 253063. The reversal of 253060 is 60352.

253060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30276 + 222784 = 174^2 + 472^2 .

It is not an unprimeable number, because it can be changed into a prime (253063) by changing a digit.

253060 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 3 ways as a sum of consecutive naturals, for example, 6307 + ... + 6346.

It is an arithmetic number, because the mean of its divisors is an integer number (44289).

2253060 is an apocalyptic number.

253060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253060 is an abundant number, since it is smaller than the sum of its proper divisors (278408).

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

253060 is a wasteful number, since it uses less digits than its factorization.

253060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662 (or 12660 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 253060 is about 503.0506932706. The cubic root of 253060 is about 63.2520348046.

The spelling of 253060 in words is "two hundred fifty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 12653 25306 50612 63265 126530 253060