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106809994 = 253404997
BaseRepresentation
bin1100101110111…
…00101010001010
321102222111202201
412113130222022
5204320404434
614333150414
72434604254
oct627345212
9242874681
10106809994
1155322a25
122b92b40a
13191893a5
1410284cd4
15959c614
hex65dca8a

106809994 has 4 divisors (see below), whose sum is σ = 160214994. Its totient is φ = 53404996.

The previous prime is 106809949. The next prime is 106810003. The reversal of 106809994 is 499908601.

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

It can be written as a sum of positive squares in only one way, i.e., 101263969 + 5546025 = 10063^2 + 2355^2 .

It is a super-2 number, since 2×1068099942 = 22816749636560072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26702497 + ... + 26702500.

Almost surely, 2106809994 is an apocalyptic number.

106809994 is a deficient number, since it is larger than the sum of its proper divisors (53405000).

106809994 is an equidigital number, since it uses as much as digits as its factorization.

106809994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53404999.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 106809994 is about 10334.8920652322. The cubic root of 106809994 is about 474.4647622088.

The spelling of 106809994 in words is "one hundred six million, eight hundred nine thousand, nine hundred ninety-four".

Divisors: 1 2 53404997 106809994