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106670813 = 190156113
BaseRepresentation
bin1100101101110…
…10101011011101
321102201102211212
412112322223131
5204301431223
614330154205
72433454424
oct626725335
9242642755
10106670813
11552383a7
122b882965
131913ac32
141024a2bb
159571278
hex65baadd

106670813 has 4 divisors (see below), whose sum is σ = 106728828. Its totient is φ = 106612800.

The previous prime is 106670791. The next prime is 106670867. The reversal of 106670813 is 318076601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318076601 = 862336887.

It can be written as a sum of positive squares in 2 ways, for example, as 2365444 + 104305369 = 1538^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 106670813 - 210 = 106669789 is a prime.

It is a super-2 number, since 2×1066708132 = 22757324692161938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106670813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106673813) 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, 26156 + ... + 29957.

It is an arithmetic number, because the mean of its divisors is an integer number (26682207).

Almost surely, 2106670813 is an apocalyptic number.

It is an amenable number.

106670813 is a deficient number, since it is larger than the sum of its proper divisors (58015).

106670813 is an equidigital number, since it uses as much as digits as its factorization.

106670813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58014.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 106670813 is about 10328.1563214351. The cubic root of 106670813 is about 474.2585855463.

The spelling of 106670813 in words is "one hundred six million, six hundred seventy thousand, eight hundred thirteen".

Divisors: 1 1901 56113 106670813