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253983134 = 2126991567
BaseRepresentation
bin11110010001101…
…11100110011110
3122200220200100202
433020313212132
51010004430014
641111423502
76202551416
oct1710674636
9580820322
10253983134
11120404319
1271084b92
13408086a2
1425a35646
151746e3de
hexf23799e

253983134 has 4 divisors (see below), whose sum is σ = 380974704. Its totient is φ = 126991566.

The previous prime is 253983047. The next prime is 253983137. The reversal of 253983134 is 431389352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253983137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63495782 + ... + 63495785.

It is an arithmetic number, because the mean of its divisors is an integer number (95243676).

Almost surely, 2253983134 is an apocalyptic number.

253983134 is a deficient number, since it is larger than the sum of its proper divisors (126991570).

253983134 is a wasteful number, since it uses less digits than its factorization.

253983134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126991569.

The product of its digits is 77760, while the sum is 38.

The square root of 253983134 is about 15936.8483082446. The cubic root of 253983134 is about 633.2885353971.

The spelling of 253983134 in words is "two hundred fifty-three million, nine hundred eighty-three thousand, one hundred thirty-four".

Divisors: 1 2 126991567 253983134