Search a number
-
+
105318420 = 22355333119
BaseRepresentation
bin1100100011100…
…00100000010100
321100011201201020
412101300200110
5203430142140
614241201140
72416122534
oct621604024
9240151636
10105318420
11544a4319
122b3301b0
1318a864bc
14ddb74c4
1593a56d0
hex6470814

105318420 has 48 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 27554176.

The previous prime is 105318419. The next prime is 105318461. The reversal of 105318420 is 24813501.

It is a super-2 number, since 2×1053184202 = 22183939182592800, which contains 22 as substring.

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, 13380 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2105318420 is an apocalyptic number.

105318420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105318420 is an abundant number, since it is smaller than the sum of its proper divisors (195146220).

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

105318420 is a wasteful number, since it uses less digits than its factorization.

105318420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33184 (or 33182 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 105318420 is about 10262.4763093515. The cubic root of 105318420 is about 472.2458082388.

The spelling of 105318420 in words is "one hundred five million, three hundred eighteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 33119 66238 99357 132476 165595 198714 331190 397428 496785 662380 993570 1755307 1987140 3510614 5265921 7021228 8776535 10531842 17553070 21063684 26329605 35106140 52659210 105318420