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109719395 = 5193892969
BaseRepresentation
bin1101000101000…
…10111101100011
321122110022201022
412202202331203
5211042010040
614515400055
72501412422
oct642427543
9248408638
10109719395
1156a2a895
12308b302b
1319967726
14108012b9
1599746b5
hex68a2f63

109719395 has 16 divisors (see below), whose sum is σ = 138996000. Its totient is φ = 82914048.

The previous prime is 109719391. The next prime is 109719397. The reversal of 109719395 is 593917901.

It is a cyclic number.

It is not a de Polignac number, because 109719395 - 22 = 109719391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109719391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35471 + ... + 38439.

It is an arithmetic number, because the mean of its divisors is an integer number (8687250).

Almost surely, 2109719395 is an apocalyptic number.

109719395 is a deficient number, since it is larger than the sum of its proper divisors (29276605).

109719395 is a wasteful number, since it uses less digits than its factorization.

109719395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 109719395 is about 10474.7026210771. The cubic root of 109719395 is about 478.7342156330.

The spelling of 109719395 in words is "one hundred nine million, seven hundred nineteen thousand, three hundred ninety-five".

Divisors: 1 5 19 95 389 1945 2969 7391 14845 36955 56411 282055 1154941 5774705 21943879 109719395