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108980556 = 2239081713
BaseRepresentation
bin1100111111011…
…10100101001100
321121001210012220
412133232211030
5210344334211
614451455340
72462214366
oct637564514
9247053186
10108980556
1156575783
12305b7550
1319769349
141068bd36
15987a806
hex67ee94c

108980556 has 12 divisors (see below), whose sum is σ = 254287992. Its totient is φ = 36326848.

The previous prime is 108980551. The next prime is 108980563. The reversal of 108980556 is 655089801.

108980556 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

108980556 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (108980551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540845 + ... + 4540868.

It is an arithmetic number, because the mean of its divisors is an integer number (21190666).

Almost surely, 2108980556 is an apocalyptic number.

It is an amenable number.

108980556 is an abundant number, since it is smaller than the sum of its proper divisors (145307436).

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

108980556 is a wasteful number, since it uses less digits than its factorization.

108980556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081720 (or 9081718 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 108980556 is about 10439.3752686643. The cubic root of 108980556 is about 477.6572123803.

The spelling of 108980556 in words is "one hundred eight million, nine hundred eighty thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 9081713 18163426 27245139 36326852 54490278 108980556