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109622849 = 727928319
BaseRepresentation
bin1101000100010…
…11011001000001
321122021102021112
412202023121001
5211030412344
614513333105
72500531100
oct642133101
9248242245
10109622849
11569742a6
1230867195
13199327bb
14107b8037
159955c9e
hex688b641

109622849 has 12 divisors (see below), whose sum is σ = 129139200. Its totient is φ = 92769768.

The previous prime is 109622839. The next prime is 109622857. The reversal of 109622849 is 948226901.

It is not a de Polignac number, because 109622849 - 24 = 109622833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109622839) 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 11 ways as a sum of consecutive naturals, for example, 10289 + ... + 18030.

It is an arithmetic number, because the mean of its divisors is an integer number (10761600).

Almost surely, 2109622849 is an apocalyptic number.

It is an amenable number.

109622849 is a deficient number, since it is larger than the sum of its proper divisors (19516351).

109622849 is an equidigital number, since it uses as much as digits as its factorization.

109622849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28412 (or 28405 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 109622849 is about 10470.0930750400. The cubic root of 109622849 is about 478.5937560025.

The spelling of 109622849 in words is "one hundred nine million, six hundred twenty-two thousand, eight hundred forty-nine".

Divisors: 1 7 49 79 553 3871 28319 198233 1387631 2237201 15660407 109622849