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109354969 = 293770861
BaseRepresentation
bin1101000010010…
…01111111011001
321121202210211001
412201021333121
5210443324334
614503505001
72465334103
oct641117731
9247683731
10109354969
1156801009
1230758161
131986a8a9
1410748573
159901714
hex6849fd9

109354969 has 4 divisors (see below), whose sum is σ = 113125860. Its totient is φ = 105584080.

The previous prime is 109354967. The next prime is 109354979. The reversal of 109354969 is 969453901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969453901 = 1374573377.

It can be written as a sum of positive squares in 2 ways, for example, as 23088025 + 86266944 = 4805^2 + 9288^2 .

It is a cyclic number.

It is not a de Polignac number, because 109354969 - 21 = 109354967 is a prime.

It is a super-2 number, since 2×1093549692 = 23917018489981922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109354961) 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, 1885402 + ... + 1885459.

It is an arithmetic number, because the mean of its divisors is an integer number (28281465).

Almost surely, 2109354969 is an apocalyptic number.

It is an amenable number.

109354969 is a deficient number, since it is larger than the sum of its proper divisors (3770891).

109354969 is an equidigital number, since it uses as much as digits as its factorization.

109354969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770890.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 109354969 is about 10457.2926228542. The cubic root of 109354969 is about 478.2035993015.

The spelling of 109354969 in words is "one hundred nine million, three hundred fifty-four thousand, nine hundred sixty-nine".

Divisors: 1 29 3770861 109354969