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431134401 = 31932113529
BaseRepresentation
bin11001101100101…
…001011011000001
31010001020220012210
4121230221123001
51340332300101
6110440412333
713453403415
oct3154513301
91101226183
10431134401
11201400725
121004770a9
136b422a19
144138ad45
1527cb37d6
hex19b296c1

431134401 has 16 divisors (see below), whose sum is σ = 580727360. Its totient is φ = 284497920.

The previous prime is 431134373. The next prime is 431134409. The reversal of 431134401 is 104431134.

It is not a de Polignac number, because 431134401 - 218 = 430872257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431134409) 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, 120405 + ... + 123933.

It is an arithmetic number, because the mean of its divisors is an integer number (36295460).

Almost surely, 2431134401 is an apocalyptic number.

It is an amenable number.

431134401 is a deficient number, since it is larger than the sum of its proper divisors (149592959).

431134401 is a wasteful number, since it uses less digits than its factorization.

431134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 431134401 is about 20763.7761739044. The cubic root of 431134401 is about 755.4473912258.

Adding to 431134401 its reverse (104431134), we get a palindrome (535565535).

The spelling of 431134401 in words is "four hundred thirty-one million, one hundred thirty-four thousand, four hundred one".

Divisors: 1 3 193 211 579 633 3529 10587 40723 122169 681097 744619 2043291 2233857 143711467 431134401