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316378842 = 231319213481
BaseRepresentation
bin10010110110111…
…000111011011010
3211001022201011220
4102312320323122
51121443110332
651221032510
710561114203
oct2266707332
9731281156
10316378842
1115265111a
1289b55736
1350713c20
14300385aa
151cb96d2c
hex12db8eda

316378842 has 32 divisors (see below), whose sum is σ = 717299520. Its totient is φ = 92223360.

The previous prime is 316378841. The next prime is 316378849. The reversal of 316378842 is 248873613.

316378842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 316378794 and 316378803.

It is not an unprimeable number, because it can be changed into a prime (316378841) 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 15 ways as a sum of consecutive naturals, for example, 105259 + ... + 108222.

It is an arithmetic number, because the mean of its divisors is an integer number (22415610).

Almost surely, 2316378842 is an apocalyptic number.

316378842 is an abundant number, since it is smaller than the sum of its proper divisors (400920678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316378842 is a wasteful number, since it uses less digits than its factorization.

316378842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213518.

The product of its digits is 193536, while the sum is 42.

The square root of 316378842 is about 17787.0414065971. The cubic root of 316378842 is about 681.4005462313.

The spelling of 316378842 in words is "three hundred sixteen million, three hundred seventy-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 213481 426962 640443 1280886 2775253 4056139 5550506 8112278 8325759 12168417 16651518 24336834 52729807 105459614 158189421 316378842