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109719396 = 223222913309
BaseRepresentation
bin1101000101000…
…10111101100100
321122110022201100
412202202331210
5211042010041
614515400100
72501412423
oct642427544
9248408640
10109719396
1156a2a896
12308b3030
1319967727
14108012ba
1599746b6
hex68a2f64

109719396 has 36 divisors (see below), whose sum is σ = 278578300. Its totient is φ = 36410688.

The previous prime is 109719391. The next prime is 109719397. The reversal of 109719396 is 693917901.

It can be written as a sum of positive squares in 2 ways, for example, as 45077796 + 64641600 = 6714^2 + 8040^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590 + ... + 14898.

Almost surely, 2109719396 is an apocalyptic number.

It is an amenable number.

109719396 is an abundant number, since it is smaller than the sum of its proper divisors (168858904).

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

109719396 is a wasteful number, since it uses less digits than its factorization.

109719396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13548 (or 13543 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 109719396 is about 10474.7026688112. The cubic root of 109719396 is about 478.7342170875.

The spelling of 109719396 in words is "one hundred nine million, seven hundred nineteen thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 229 458 687 916 1374 2061 2748 4122 8244 13309 26618 39927 53236 79854 119781 159708 239562 479124 3047761 6095522 9143283 12191044 18286566 27429849 36573132 54859698 109719396