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814591401 = 31320886959
BaseRepresentation
bin110000100011011…
…010110110101001
32002202210112022220
4300203122312221
53132013411101
6212455304253
726120625021
oct6043326651
92082715286
10814591401
113888a7638
121a897b089
13cc9c1560
147a286a81
154b7aa636
hex308dada9

814591401 has 8 divisors (see below), whose sum is σ = 1169669760. Its totient is φ = 501286992.

The previous prime is 814591399. The next prime is 814591417. The reversal of 814591401 is 104195418.

814591401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 814591401 - 21 = 814591399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (814591471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443441 + ... + 10443518.

It is an arithmetic number, because the mean of its divisors is an integer number (146208720).

Almost surely, 2814591401 is an apocalyptic number.

It is an amenable number.

814591401 is a deficient number, since it is larger than the sum of its proper divisors (355078359).

814591401 is a wasteful number, since it uses less digits than its factorization.

814591401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886975.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 814591401 is about 28541.0476507083. The cubic root of 814591401 is about 933.9277368293.

The spelling of 814591401 in words is "eight hundred fourteen million, five hundred ninety-one thousand, four hundred one".

Divisors: 1 3 13 39 20886959 62660877 271530467 814591401