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106899647 = 241443567
BaseRepresentation
bin1100101111100…
…10100010111111
321110011001202012
412113302202333
5204331242042
614335121435
72435426531
oct627624277
9243131665
10106899647
1155384318
122b97327b
13191bb13a
14102a9851
1595b8e82
hex65f28bf

106899647 has 4 divisors (see below), whose sum is σ = 107343456. Its totient is φ = 106455840.

The previous prime is 106899629. The next prime is 106899673. The reversal of 106899647 is 746998601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746998601 = 3132386577.

It is a cyclic number.

It is not a de Polignac number, because 106899647 - 28 = 106899391 is a prime.

It is a super-2 number, since 2×1068996472 = 22855069057449218, 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 = 106899595 and 106899604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106899547) 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, 221543 + ... + 222024.

It is an arithmetic number, because the mean of its divisors is an integer number (26835864).

Almost surely, 2106899647 is an apocalyptic number.

106899647 is a deficient number, since it is larger than the sum of its proper divisors (443809).

106899647 is an equidigital number, since it uses as much as digits as its factorization.

106899647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443808.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 106899647 is about 10339.2285495582. The cubic root of 106899647 is about 474.5974754247.

The spelling of 106899647 in words is "one hundred six million, eight hundred ninety-nine thousand, six hundred forty-seven".

Divisors: 1 241 443567 106899647