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108871390 = 2537294247
BaseRepresentation
bin1100111110100…
…11111011011110
321120212020110201
412133103323132
5210332341030
614445254114
72461251205
oct637237336
9246766421
10108871390
1156500761
123056433a
131972b754
141066023c
1598582ca
hex67d3ede

108871390 has 16 divisors (see below), whose sum is σ = 201265632. Its totient is φ = 42371424.

The previous prime is 108871379. The next prime is 108871391. The reversal of 108871390 is 93178801.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108871391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146754 + ... + 147493.

It is an arithmetic number, because the mean of its divisors is an integer number (12579102).

Almost surely, 2108871390 is an apocalyptic number.

108871390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108871390 is a deficient number, since it is larger than the sum of its proper divisors (92394242).

108871390 is a wasteful number, since it uses less digits than its factorization.

108871390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294291.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 108871390 is about 10434.1453890580. The cubic root of 108871390 is about 477.4976690949.

The spelling of 108871390 in words is "one hundred eight million, eight hundred seventy-one thousand, three hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 294247 588494 1471235 2942470 10887139 21774278 54435695 108871390