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109369729 = 7107146021
BaseRepresentation
bin1101000010011…
…01100110000001
321121210120001201
412201031212001
5210444312404
614504101201
72465425120
oct641154601
9247716051
10109369729
1156811107
1230764801
1319874521
141074dab7
159905ca4
hex684d981

109369729 has 8 divisors (see below), whose sum is σ = 126163008. Its totient is φ = 92868720.

The previous prime is 109369723. The next prime is 109369747. The reversal of 109369729 is 927963901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109369729 - 29 = 109369217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109369723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72262 + ... + 73759.

It is an arithmetic number, because the mean of its divisors is an integer number (15770376).

Almost surely, 2109369729 is an apocalyptic number.

It is an amenable number.

109369729 is a deficient number, since it is larger than the sum of its proper divisors (16793279).

109369729 is a wasteful number, since it uses less digits than its factorization.

109369729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146135.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 109369729 is about 10457.9983266398. The cubic root of 109369729 is about 478.2251132381.

The spelling of 109369729 in words is "one hundred nine million, three hundred sixty-nine thousand, seven hundred twenty-nine".

Divisors: 1 7 107 749 146021 1022147 15624247 109369729