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109140733 = 138395441
BaseRepresentation
bin1101000000101…
…01101011111101
321121100220221101
412200111223331
5210420000413
614455133101
72463452362
oct640255375
9247326841
10109140733
1156675059
1230674191
13197c4220
14106d0469
1598acedd
hex6815afd

109140733 has 4 divisors (see below), whose sum is σ = 117536188. Its totient is φ = 100745280.

The previous prime is 109140709. The next prime is 109140743. The reversal of 109140733 is 337041901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337041901 = 748148843.

It can be written as a sum of positive squares in 2 ways, for example, as 19686969 + 89453764 = 4437^2 + 9458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109140733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109140743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197708 + ... + 4197733.

It is an arithmetic number, because the mean of its divisors is an integer number (29384047).

Almost surely, 2109140733 is an apocalyptic number.

109140733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109140733 is a deficient number, since it is larger than the sum of its proper divisors (8395455).

109140733 is an equidigital number, since it uses as much as digits as its factorization.

109140733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395454.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 109140733 is about 10447.0442231284. The cubic root of 109140733 is about 477.8911141839.

The spelling of 109140733 in words is "one hundred nine million, one hundred forty thousand, seven hundred thirty-three".

Divisors: 1 13 8395441 109140733