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109914378 = 23723113783
BaseRepresentation
bin1101000110100…
…10100100001010
321122211020011220
412203102210022
5211114230003
614523502510
72503154040
oct643224412
9248736156
10109914378
1157053332
1230987a36
1319a053c2
1410852390
1599b2353
hex68d290a

109914378 has 32 divisors (see below), whose sum is σ = 262158336. Its totient is φ = 30038448.

The previous prime is 109914353. The next prime is 109914397. The reversal of 109914378 is 873419901.

It is a happy number.

It is a super-2 number, since 2×1099143782 = 24162340982253768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55926 + ... + 57857.

It is an arithmetic number, because the mean of its divisors is an integer number (8192448).

Almost surely, 2109914378 is an apocalyptic number.

109914378 is an abundant number, since it is smaller than the sum of its proper divisors (152243958).

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

109914378 is a wasteful number, since it uses less digits than its factorization.

109914378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113818.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 109914378 is about 10484.0058183883. The cubic root of 109914378 is about 479.0176349666.

The spelling of 109914378 in words is "one hundred nine million, nine hundred fourteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 113783 227566 341349 682698 796481 1592962 2389443 2617009 4778886 5234018 7851027 15702054 18319063 36638126 54957189 109914378