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106806629 = 157680297
BaseRepresentation
bin1100101110110…
…11110101100101
321102222100011002
412113123311211
5204320303004
614333123045
72434561406
oct627336545
9242870132
10106806629
1155320446
122b929485
13191879b7
14102839ad
15959b61e
hex65dbd65

106806629 has 4 divisors (see below), whose sum is σ = 107487084. Its totient is φ = 106126176.

The previous prime is 106806613. The next prime is 106806647. The reversal of 106806629 is 926608601.

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 18258529 + 88548100 = 4273^2 + 9410^2 .

It is a cyclic number.

It is not a de Polignac number, because 106806629 - 24 = 106806613 is a prime.

It is a super-2 number, since 2×1068066292 = 22815311996687282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106806592 and 106806601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106806829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339992 + ... + 340305.

It is an arithmetic number, because the mean of its divisors is an integer number (26871771).

Almost surely, 2106806629 is an apocalyptic number.

It is an amenable number.

106806629 is a deficient number, since it is larger than the sum of its proper divisors (680455).

106806629 is an equidigital number, since it uses as much as digits as its factorization.

106806629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680454.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 106806629 is about 10334.7292659266. The cubic root of 106806629 is about 474.4597795580.

The spelling of 106806629 in words is "one hundred six million, eight hundred six thousand, six hundred twenty-nine".

Divisors: 1 157 680297 106806629