Search a number
-
+
319002690 = 23510633423
BaseRepresentation
bin10011000000111…
…001100001000010
3211020021000102110
4103000321201002
51123131041230
651353200150
710622322666
oct2300714102
9736230373
10319002690
11154083496
128aa00056
13511222b6
143051c8a6
151d0144b0
hex13039842

319002690 has 16 divisors (see below), whose sum is σ = 765606528. Its totient is φ = 85067376.

The previous prime is 319002659. The next prime is 319002701. The reversal of 319002690 is 96200913.

It is a super-2 number, since 2×3190026902 = 203525432454472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 10633423 = 319002690 / (3 + 1 + 9 + 0 + 0 + 2 + 6 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5316682 + ... + 5316741.

It is an arithmetic number, because the mean of its divisors is an integer number (47850408).

Almost surely, 2319002690 is an apocalyptic number.

319002690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

319002690 is an abundant number, since it is smaller than the sum of its proper divisors (446603838).

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

319002690 is a wasteful number, since it uses less digits than its factorization.

319002690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633433.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 319002690 is about 17860.6464048757. The cubic root of 319002690 is about 683.2790658206.

The spelling of 319002690 in words is "three hundred nineteen million, two thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 10633423 21266846 31900269 53167115 63800538 106334230 159501345 319002690