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107726813 = 428925117
BaseRepresentation
bin1100110101111…
…00011111011101
321111201002101222
412122330133131
5210034224223
614404543125
72445443225
oct632743735
9244632358
10107726813
1155899827
12300b1aa5
131941a79c
1410443085
1596ce0c8
hex66bc7dd

107726813 has 4 divisors (see below), whose sum is σ = 107756220. Its totient is φ = 107697408.

The previous prime is 107726791. The next prime is 107726819. The reversal of 107726813 is 318627701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85618009 + 22108804 = 9253^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 107726813 - 210 = 107725789 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 (107726819) 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, 8270 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (26939055).

Almost surely, 2107726813 is an apocalyptic number.

It is an amenable number.

107726813 is a deficient number, since it is larger than the sum of its proper divisors (29407).

107726813 is an equidigital number, since it uses as much as digits as its factorization.

107726813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29406.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 107726813 is about 10379.1528074309. The cubic root of 107726813 is about 475.8184419862.

The spelling of 107726813 in words is "one hundred seven million, seven hundred twenty-six thousand, eight hundred thirteen".

Divisors: 1 4289 25117 107726813