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109042884 = 22323028969
BaseRepresentation
bin1100111111111…
…01110011000100
321121011221201100
412133331303010
5210403333014
614453100100
72462564166
oct637756304
9247157640
10109042884
1156608595
1230627630
131978b822
14106a6936
15988e009
hex67fdcc4

109042884 has 18 divisors (see below), whose sum is σ = 275636270. Its totient is φ = 36347616.

The previous prime is 109042873. The next prime is 109042891. The reversal of 109042884 is 488240901.

It can be written as a sum of positive squares in only one way, i.e., 108993600 + 49284 = 10440^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3028969 = 109042884 / (1 + 0 + 9 + 0 + 4 + 2 + 8 + 8 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1514449 + ... + 1514520.

Almost surely, 2109042884 is an apocalyptic number.

It is an amenable number.

109042884 is an abundant number, since it is smaller than the sum of its proper divisors (166593386).

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

109042884 is a wasteful number, since it uses less digits than its factorization.

109042884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028979 (or 3028974 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 109042884 is about 10442.3600780666. The cubic root of 109042884 is about 477.7482553639.

The spelling of 109042884 in words is "one hundred nine million, forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 3028969 6057938 9086907 12115876 18173814 27260721 36347628 54521442 109042884