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108240388 = 22105125747
BaseRepresentation
bin1100111001110…
…01111000000100
321112200011220021
412130321320010
5210202143023
614423544524
72453012434
oct634717004
9245604807
10108240388
115610a673
12302bb144
131956a489
14105382c4
15978135d
hex6739e04

108240388 has 12 divisors (see below), whose sum is σ = 189608272. Its totient is φ = 54066600.

The previous prime is 108240371. The next prime is 108240401. The reversal of 108240388 is 883042801.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8670 + ... + 17077.

Almost surely, 2108240388 is an apocalyptic number.

It is an amenable number.

108240388 is a deficient number, since it is larger than the sum of its proper divisors (81367884).

108240388 is a wasteful number, since it uses less digits than its factorization.

108240388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26802 (or 26800 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 108240388 is about 10403.8640898466. The cubic root of 108240388 is about 476.5733798459.

The spelling of 108240388 in words is "one hundred eight million, two hundred forty thousand, three hundred eighty-eight".

Divisors: 1 2 4 1051 2102 4204 25747 51494 102988 27060097 54120194 108240388