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319042902 = 23711315717
BaseRepresentation
bin10011000001000…
…011010101010110
3211020100001120210
4103001003111112
51123133333102
651354110250
710622551143
oct2301032526
9736301523
10319042902
11154100722
128aa1b386
13511376a9
143052d3ca
151d02136c
hex13043556

319042902 has 32 divisors (see below), whose sum is σ = 652126464. Its totient is φ = 104031200.

The previous prime is 319042873. The next prime is 319042921. The reversal of 319042902 is 209240913.

It is a self number, because there is not a number n which added to its sum of digits gives 319042902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52948 + ... + 58664.

It is an arithmetic number, because the mean of its divisors is an integer number (20378952).

Almost surely, 2319042902 is an apocalyptic number.

319042902 is an abundant number, since it is smaller than the sum of its proper divisors (333083562).

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

319042902 is a wasteful number, since it uses less digits than its factorization.

319042902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 319042902 is about 17861.7720845385. The cubic root of 319042902 is about 683.3077749447.

The spelling of 319042902 in words is "three hundred nineteen million, forty-two thousand, nine hundred two".

Divisors: 1 2 3 6 71 131 142 213 262 393 426 786 5717 9301 11434 17151 18602 27903 34302 55806 405907 748927 811814 1217721 1497854 2246781 2435442 4493562 53173817 106347634 159521451 319042902