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108909814 = 2136836133
BaseRepresentation
bin1100111110111…
…01010011110110
321120221012011211
412133131103312
5210340103224
614450152034
72461501216
oct637352366
9246835154
10108909814
1156527612
123058261a
13197430a0
1410670246
159864894
hex67dd4f6

108909814 has 16 divisors (see below), whose sum is σ = 176217552. Its totient is φ = 50184288.

The previous prime is 108909809. The next prime is 108909847. The reversal of 108909814 is 418909801.

It is a super-2 number, since 2×1089098142 = 23722695171029192, 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 7 ways as a sum of consecutive naturals, for example, 14692 + ... + 20824.

It is an arithmetic number, because the mean of its divisors is an integer number (11013597).

Almost surely, 2108909814 is an apocalyptic number.

108909814 is a deficient number, since it is larger than the sum of its proper divisors (67307738).

108909814 is a wasteful number, since it uses less digits than its factorization.

108909814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 108909814 is about 10435.9864890675. The cubic root of 108909814 is about 477.5538369348.

The spelling of 108909814 in words is "one hundred eight million, nine hundred nine thousand, eight hundred fourteen".

Divisors: 1 2 13 26 683 1366 6133 8879 12266 17758 79729 159458 4188839 8377678 54454907 108909814