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431314144 = 2513478567
BaseRepresentation
bin11001101101010…
…101010011100000
31010001121000202221
4121231111103200
51340404023034
6110444320424
713455052432
oct3155252340
91101530687
10431314144
11201513778
12100543114
136b486791
14413d6652
1527cebbb4
hex19b554e0

431314144 has 12 divisors (see below), whose sum is σ = 849149784. Its totient is φ = 215657056.

The previous prime is 431314141. The next prime is 431314171. The reversal of 431314144 is 441413134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431314141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6739252 + ... + 6739315.

It is an arithmetic number, because the mean of its divisors is an integer number (70762482).

Almost surely, 2431314144 is an apocalyptic number.

It is an amenable number.

431314144 is a deficient number, since it is larger than the sum of its proper divisors (417835640).

431314144 is a wasteful number, since it uses less digits than its factorization.

431314144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478577 (or 13478569 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 431314144 is about 20768.1040059029. The cubic root of 431314144 is about 755.5523604376.

Adding to 431314144 its reverse (441413134), we get a palindrome (872727278).

The spelling of 431314144 in words is "four hundred thirty-one million, three hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 13478567 26957134 53914268 107828536 215657072 431314144