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105116280 = 2335875969
BaseRepresentation
bin1100100001111…
…11001001111000
321022210110102120
412100333021320
5203402210110
614233001240
72414321313
oct620771170
9238713376
10105116280
1154376465
122b253220
1318a154a9
14dd6397a
159365870
hex643f278

105116280 has 32 divisors (see below), whose sum is σ = 315349200. Its totient is φ = 28030976.

The previous prime is 105116269. The next prime is 105116309. The reversal of 105116280 is 82611501.

It is a super-2 number, since 2×1051162802 = 22098864642076800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 105116280.

It is a congruent number.

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, 437865 + ... + 438104.

Almost surely, 2105116280 is an apocalyptic number.

105116280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105116280 is an abundant number, since it is smaller than the sum of its proper divisors (210232920).

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

105116280 is a wasteful number, since it uses less digits than its factorization.

105116280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875983 (or 875979 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 105116280 is about 10252.6230789979. The cubic root of 105116280 is about 471.9434840883.

Adding to 105116280 its reverse (82611501), we get a palindrome (187727781).

The spelling of 105116280 in words is "one hundred five million, one hundred sixteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 875969 1751938 2627907 3503876 4379845 5255814 7007752 8759690 10511628 13139535 17519380 21023256 26279070 35038760 52558140 105116280