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400131314 = 21118187787
BaseRepresentation
bin10111110110011…
…000010011110010
31000212220202222022
4113312120103302
51304413200224
6103412111442
712626026412
oct2766302362
91025822868
10400131314
11195955640
12b2005582
1364b892bb
143b1da642
15251dc65e
hex17d984f2

400131314 has 8 divisors (see below), whose sum is σ = 654760368. Its totient is φ = 181877860.

The previous prime is 400131301. The next prime is 400131331. The reversal of 400131314 is 413131004.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400131292 and 400131301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9093872 + ... + 9093915.

It is an arithmetic number, because the mean of its divisors is an integer number (81845046).

Almost surely, 2400131314 is an apocalyptic number.

400131314 is a deficient number, since it is larger than the sum of its proper divisors (254629054).

400131314 is a wasteful number, since it uses less digits than its factorization.

400131314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187800.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 400131314 is about 20003.2825806166. The cubic root of 400131314 is about 736.8869183921.

Adding to 400131314 its reverse (413131004), we get a palindrome (813262318).

The spelling of 400131314 in words is "four hundred million, one hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 11 22 18187787 36375574 200065657 400131314