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252907 = 475381
BaseRepresentation
bin111101101111101011
3110211220221
4331233223
531043112
65230511
72102224
oct755753
9424827
10252907
11163016
12102437
138b165
146824b
154ee07
hex3dbeb

252907 has 4 divisors (see below), whose sum is σ = 258336. Its totient is φ = 247480.

The previous prime is 252899. The next prime is 252911. The reversal of 252907 is 709252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252907 - 23 = 252899 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2252907 is an apocalyptic number.

252907 is a deficient number, since it is larger than the sum of its proper divisors (5429).

252907 is an equidigital number, since it uses as much as digits as its factorization.

252907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 252907 is about 502.8985981289. The cubic root of 252907 is about 63.2392848477.

The spelling of 252907 in words is "two hundred fifty-two thousand, nine hundred seven".

Divisors: 1 47 5381 252907