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109319807 = 421259667
BaseRepresentation
bin1101000010000…
…01011001111111
321121201000120202
412201001121333
5210441213212
614503034115
72465126432
oct641013177
9247630522
10109319807
1156787653
123073b93b
131985789c
1410739819
1598e60c2
hex684167f

109319807 has 4 divisors (see below), whose sum is σ = 109579896. Its totient is φ = 109059720.

The previous prime is 109319801. The next prime is 109319827. The reversal of 109319807 is 708913901.

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

It is a cyclic number.

It is not a de Polignac number, because 109319807 - 224 = 92542591 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 (109319801) 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, 129413 + ... + 130254.

It is an arithmetic number, because the mean of its divisors is an integer number (27394974).

Almost surely, 2109319807 is an apocalyptic number.

109319807 is a deficient number, since it is larger than the sum of its proper divisors (260089).

109319807 is an equidigital number, since it uses as much as digits as its factorization.

109319807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260088.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 109319807 is about 10455.6112685964. The cubic root of 109319807 is about 478.1523399406.

The spelling of 109319807 in words is "one hundred nine million, three hundred nineteen thousand, eight hundred seven".

Divisors: 1 421 259667 109319807