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431112385 = 5117838407
BaseRepresentation
bin11001101100100…
…100000011000001
31010001012210000101
4121230210003001
51340331044020
6110440122401
713453252264
oct3154440301
91101183011
10431112385
11201396130
12100466401
136b4159b2
1441382cdb
1527cac00a
hex19b240c1

431112385 has 8 divisors (see below), whose sum is σ = 564365376. Its totient is φ = 313536240.

The previous prime is 431112379. The next prime is 431112421. The reversal of 431112385 is 583211134.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-431112385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919149 + ... + 3919258.

It is an arithmetic number, because the mean of its divisors is an integer number (70545672).

Almost surely, 2431112385 is an apocalyptic number.

It is an amenable number.

431112385 is a deficient number, since it is larger than the sum of its proper divisors (133252991).

431112385 is a wasteful number, since it uses less digits than its factorization.

431112385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838423.

The product of its digits is 2880, while the sum is 28.

The square root of 431112385 is about 20763.2460130876. The cubic root of 431112385 is about 755.4345319621.

The spelling of 431112385 in words is "four hundred thirty-one million, one hundred twelve thousand, three hundred eighty-five".

Divisors: 1 5 11 55 7838407 39192035 86222477 431112385