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109608111 = 32109111731
BaseRepresentation
bin1101000100001…
…11110010101111
321122020200001200
412202013302233
5211024424421
614513140543
72500440114
oct642076257
9248220050
10109608111
1156964218
123085a753
1319928b92
14107b290b
159951726
hex6887caf

109608111 has 12 divisors (see below), whose sum is σ = 159776760. Its totient is φ = 72401040.

The previous prime is 109608101. The next prime is 109608151. The reversal of 109608111 is 111806901.

It is not a de Polignac number, because 109608111 - 27 = 109607983 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109608101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54885 + ... + 56846.

It is an arithmetic number, because the mean of its divisors is an integer number (13314730).

Almost surely, 2109608111 is an apocalyptic number.

109608111 is a deficient number, since it is larger than the sum of its proper divisors (50168649).

109608111 is a wasteful number, since it uses less digits than its factorization.

109608111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111846 (or 111843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 109608111 is about 10469.3892372000. The cubic root of 109608111 is about 478.5723072171.

The spelling of 109608111 in words is "one hundred nine million, six hundred eight thousand, one hundred eleven".

Divisors: 1 3 9 109 327 981 111731 335193 1005579 12178679 36536037 109608111