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252214133 = 1039242747
BaseRepresentation
bin11110000100001…
…11101101110101
3122120120210202012
433002013231311
51004031323013
641005454005
76151533113
oct1702075565
9576523665
10252214133
1111a406236
1270571305
1340339442
14256d4ab3
15172201a8
hexf087b75

252214133 has 4 divisors (see below), whose sum is σ = 252457920. Its totient is φ = 251970348.

The previous prime is 252214103. The next prime is 252214139. The reversal of 252214133 is 331412252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252214133 - 224 = 235436917 is a prime.

It is a super-2 number, since 2×2522141332 = 127223937769883378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252214099 and 252214108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252214139) 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, 120335 + ... + 122412.

It is an arithmetic number, because the mean of its divisors is an integer number (63114480).

Almost surely, 2252214133 is an apocalyptic number.

It is an amenable number.

252214133 is a deficient number, since it is larger than the sum of its proper divisors (243787).

252214133 is a wasteful number, since it uses less digits than its factorization.

252214133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243786.

The product of its digits is 1440, while the sum is 23.

The square root of 252214133 is about 15881.2509897678. The cubic root of 252214133 is about 631.8148166585.

Adding to 252214133 its reverse (331412252), we get a palindrome (583626385).

The spelling of 252214133 in words is "two hundred fifty-two million, two hundred fourteen thousand, one hundred thirty-three".

Divisors: 1 1039 242747 252214133