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252460 = 22513971
BaseRepresentation
bin111101101000101100
3110211022101
4331220230
531034320
65224444
72101015
oct755054
9424271
10252460
1116274a
12102124
138abb0
146800c
154ec0a
hex3da2c

252460 has 24 divisors (see below), whose sum is σ = 571536. Its totient is φ = 93120.

The previous prime is 252457. The next prime is 252463. The reversal of 252460 is 64252.

It is an interprime number because it is at equal distance from previous prime (252457) and next prime (252463).

It is not an unprimeable number, because it can be changed into a prime (252463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (23814).

2252460 is an apocalyptic number.

252460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252460 is an abundant number, since it is smaller than the sum of its proper divisors (319076).

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

252460 is a wasteful number, since it uses less digits than its factorization.

252460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 252460 is about 502.4539779920. The cubic root of 252460 is about 63.2020054910.

It can be divided in two parts, 25 and 2460, that added together give a triangular number (2485 = T70).

The spelling of 252460 in words is "two hundred fifty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 971 1942 3884 4855 9710 12623 19420 25246 50492 63115 126230 252460