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106679551 = 119698141
BaseRepresentation
bin1100101101111…
…00110011111111
321102201212211111
412112330303333
5204302221201
614330302451
72433522046
oct626746377
9242655744
10106679551
1155243a20
122b887a27
1319141bc4
141024d55d
159573b51
hex65bccff

106679551 has 4 divisors (see below), whose sum is σ = 116377704. Its totient is φ = 96981400.

The previous prime is 106679501. The next prime is 106679557. The reversal of 106679551 is 155976601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155976601 = 1114179691.

It is a cyclic number.

It is not a de Polignac number, because 106679551 - 213 = 106671359 is a prime.

It is a super-2 number, since 2×1066795512 = 22761053203123202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106679557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849060 + ... + 4849081.

It is an arithmetic number, because the mean of its divisors is an integer number (29094426).

Almost surely, 2106679551 is an apocalyptic number.

106679551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106679551 is a deficient number, since it is larger than the sum of its proper divisors (9698153).

106679551 is an equidigital number, since it uses as much as digits as its factorization.

106679551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698152.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 106679551 is about 10328.5793311568. The cubic root of 106679551 is about 474.2715349128.

The spelling of 106679551 in words is "one hundred six million, six hundred seventy-nine thousand, five hundred fifty-one".

Divisors: 1 11 9698141 106679551