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252127 = 1714831
BaseRepresentation
bin111101100011011111
3110210212001
4331203133
531032002
65223131
72100031
oct754337
9423761
10252127
11162477
12101aa7
138a9b5
1467c51
154ea87
hex3d8df

252127 has 4 divisors (see below), whose sum is σ = 266976. Its totient is φ = 237280.

The previous prime is 252101. The next prime is 252139. The reversal of 252127 is 721252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252127 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7399 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (66744).

2252127 is an apocalyptic number.

252127 is a deficient number, since it is larger than the sum of its proper divisors (14849).

252127 is a wasteful number, since it uses less digits than its factorization.

252127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848.

The product of its digits is 280, while the sum is 19.

The square root of 252127 is about 502.1224950149. The cubic root of 252127 is about 63.1742050103.

Adding to 252127 its reverse (721252), we get a palindrome (973379).

The spelling of 252127 in words is "two hundred fifty-two thousand, one hundred twenty-seven".

Divisors: 1 17 14831 252127