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109093945 = 5233725639
BaseRepresentation
bin1101000000010…
…10010000111001
321121021112202111
412200022100321
5210412001240
614454132321
72463166102
oct640122071
9247245674
10109093945
1156642994
12306510a1
13197a8b3c
14106bb3a9
15989e1ea
hex680a439

109093945 has 16 divisors (see below), whose sum is σ = 140302080. Its totient is φ = 81221184.

The previous prime is 109093939. The next prime is 109093951. The reversal of 109093945 is 549390901.

It is an interprime number because it is at equal distance from previous prime (109093939) and next prime (109093951).

It is a cyclic number.

It is not a de Polignac number, because 109093945 - 23 = 109093937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109093898 and 109093907.

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, 8565 + ... + 17074.

It is an arithmetic number, because the mean of its divisors is an integer number (8768880).

Almost surely, 2109093945 is an apocalyptic number.

It is an amenable number.

109093945 is a deficient number, since it is larger than the sum of its proper divisors (31208135).

109093945 is a wasteful number, since it uses less digits than its factorization.

109093945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25704.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 109093945 is about 10444.8046894138. The cubic root of 109093945 is about 477.8228147057.

The spelling of 109093945 in words is "one hundred nine million, ninety-three thousand, nine hundred forty-five".

Divisors: 1 5 23 37 115 185 851 4255 25639 128195 589697 948643 2948485 4743215 21818789 109093945