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252245 = 577207
BaseRepresentation
bin111101100101010101
3110211000102
4331211111
531032440
65223445
72100260
oct754525
9424012
10252245
11162574
12101b85
138aa76
1467cd7
154eb15
hex3d955

252245 has 8 divisors (see below), whose sum is σ = 345984. Its totient is φ = 172944.

The previous prime is 252233. The next prime is 252253. The reversal of 252245 is 542252.

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 252245 - 26 = 252181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3569 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (43248).

2252245 is an apocalyptic number.

It is an amenable number.

252245 is a deficient number, since it is larger than the sum of its proper divisors (93739).

252245 is an equidigital number, since it uses as much as digits as its factorization.

252245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219.

The product of its digits is 800, while the sum is 20.

The square root of 252245 is about 502.2399824785. The cubic root of 252245 is about 63.1840590303.

Adding to 252245 its reverse (542252), we get a palindrome (794497).

The spelling of 252245 in words is "two hundred fifty-two thousand, two hundred forty-five".

Divisors: 1 5 7 35 7207 36035 50449 252245