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252455 = 577213
BaseRepresentation
bin111101101000100111
3110211022012
4331220213
531034310
65224435
72101010
oct755047
9424265
10252455
11162745
1210211b
138aba8
1468007
154ec05
hex3da27

252455 has 8 divisors (see below), whose sum is σ = 346272. Its totient is φ = 173088.

The previous prime is 252449. The next prime is 252457. The reversal of 252455 is 554252.

252455 is nontrivially palindromic in base 13.

252455 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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 252455 - 26 = 252391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (43284).

2252455 is an apocalyptic number.

252455 is a deficient number, since it is larger than the sum of its proper divisors (93817).

252455 is an equidigital number, since it uses as much as digits as its factorization.

252455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its digits is 2000, while the sum is 23.

The square root of 252455 is about 502.4490023873. The cubic root of 252455 is about 63.2015882472.

It can be divided in two parts, 252 and 455, that added together give a palindrome (707).

The spelling of 252455 in words is "two hundred fifty-two thousand, four hundred fifty-five".

Divisors: 1 5 7 35 7213 36065 50491 252455