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316403879 = 1128763989
BaseRepresentation
bin10010110110111…
…111000010100111
3211001100222112012
4102312333002213
51121444411004
651221344435
710561250201
oct2266770247
9731328465
10316403879
11152668a10
1289b6811b
135072243c
1430043771
151cb9e46e
hex12dbf0a7

316403879 has 4 divisors (see below), whose sum is σ = 345167880. Its totient is φ = 287639880.

The previous prime is 316403807. The next prime is 316403911. The reversal of 316403879 is 978304613.

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

It is not a de Polignac number, because 316403879 - 28 = 316403623 is a prime.

It is a super-2 number, since 2×3164038792 = 200222829292493282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316403179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14381984 + ... + 14382005.

It is an arithmetic number, because the mean of its divisors is an integer number (86291970).

Almost surely, 2316403879 is an apocalyptic number.

316403879 is a deficient number, since it is larger than the sum of its proper divisors (28764001).

316403879 is a wasteful number, since it uses less digits than its factorization.

316403879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28764000.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 316403879 is about 17787.7451915638. The cubic root of 316403879 is about 681.4185202266.

The spelling of 316403879 in words is "three hundred sixteen million, four hundred three thousand, eight hundred seventy-nine".

Divisors: 1 11 28763989 316403879