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109225807 = 611790587
BaseRepresentation
bin1101000001010…
…10011101001111
321121112020122021
412200222131033
5210430211212
614501031011
72464255405
oct640523517
9247466567
10109225807
1156722a69
12306b5467
1319823b72
1410713475
1598c8307
hex682a74f

109225807 has 4 divisors (see below), whose sum is σ = 111016456. Its totient is φ = 107435160.

The previous prime is 109225793. The next prime is 109225819. The reversal of 109225807 is 708522901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109225807 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 (109225847) 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, 895233 + ... + 895354.

It is an arithmetic number, because the mean of its divisors is an integer number (27754114).

Almost surely, 2109225807 is an apocalyptic number.

109225807 is a deficient number, since it is larger than the sum of its proper divisors (1790649).

109225807 is an equidigital number, since it uses as much as digits as its factorization.

109225807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790648.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 109225807 is about 10451.1151079681. The cubic root of 109225807 is about 478.0152522225.

The spelling of 109225807 in words is "one hundred nine million, two hundred twenty-five thousand, eight hundred seven".

Divisors: 1 61 1790587 109225807