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108916590 = 2355368501
BaseRepresentation
bin1100111110111…
…10111101101110
321120221112110210
412133132331232
5210340312330
614450243250
72461530036
oct637367556
9246845423
10108916590
1156531712
1230586526
13197461b3
14106728c6
1598668b0
hex67def6e

108916590 has 32 divisors (see below), whose sum is σ = 266335776. Its totient is φ = 28496000.

The previous prime is 108916579. The next prime is 108916601. The reversal of 108916590 is 95619801.

It is an interprime number because it is at equal distance from previous prime (108916579) and next prime (108916601).

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, 32661 + ... + 35840.

It is an arithmetic number, because the mean of its divisors is an integer number (8322993).

Almost surely, 2108916590 is an apocalyptic number.

108916590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108916590 is an abundant number, since it is smaller than the sum of its proper divisors (157419186).

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

108916590 is a wasteful number, since it uses less digits than its factorization.

108916590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68564.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 108916590 is about 10436.3111298964. The cubic root of 108916590 is about 477.5637406572.

The spelling of 108916590 in words is "one hundred eight million, nine hundred sixteen thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 68501 137002 205503 342505 411006 685010 1027515 2055030 3630553 7261106 10891659 18152765 21783318 36305530 54458295 108916590