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431012434 = 2215506217
BaseRepresentation
bin11001101100001…
…011101001010010
31010001000200220111
4121230023221102
51340314344214
6110434031534
713452355006
oct3154135122
91101020814
10431012434
11201328026
121004185aa
136b3ac358
1441358706
1527c8c5c4
hex19b0ba52

431012434 has 4 divisors (see below), whose sum is σ = 646518654. Its totient is φ = 215506216.

The previous prime is 431012429. The next prime is 431012447. The reversal of 431012434 is 434210134.

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

It can be written as a sum of positive squares in only one way, i.e., 398122209 + 32890225 = 19953^2 + 5735^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107753107 + ... + 107753110.

Almost surely, 2431012434 is an apocalyptic number.

431012434 is a deficient number, since it is larger than the sum of its proper divisors (215506220).

431012434 is a wasteful number, since it uses less digits than its factorization.

431012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215506219.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 431012434 is about 20760.8389522196. The cubic root of 431012434 is about 755.3761463566.

Adding to 431012434 its reverse (434210134), we get a palindrome (865222568).

The spelling of 431012434 in words is "four hundred thirty-one million, twelve thousand, four hundred thirty-four".

Divisors: 1 2 215506217 431012434