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431144713 = 191031511459
BaseRepresentation
bin11001101100101…
…011111100001001
31010001021102100201
4121230223330021
51340333112323
6110440532201
713453445446
oct3154537411
91101242321
10431144713
1120140844a
12100481061
136b42761c
14413909cd
1527cb68ad
hex19b2bf09

431144713 has 16 divisors (see below), whose sum is σ = 461593600. Its totient is φ = 401533200.

The previous prime is 431144699. The next prime is 431144717. The reversal of 431144713 is 317441134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431144713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431144717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294778 + ... + 296236.

It is an arithmetic number, because the mean of its divisors is an integer number (28849600).

Almost surely, 2431144713 is an apocalyptic number.

It is an amenable number.

431144713 is a deficient number, since it is larger than the sum of its proper divisors (30448887).

431144713 is a wasteful number, since it uses less digits than its factorization.

431144713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its digits is 4032, while the sum is 28.

The square root of 431144713 is about 20764.0244894866. The cubic root of 431144713 is about 755.4534141825.

Adding to 431144713 its reverse (317441134), we get a palindrome (748585847).

The spelling of 431144713 in words is "four hundred thirty-one million, one hundred forty-four thousand, seven hundred thirteen".

Divisors: 1 19 103 151 1459 1957 2869 15553 27721 150277 220309 295507 2855263 4185871 22691827 431144713