Search a number
-
+
106890853 = 677157889
BaseRepresentation
bin1100101111100…
…00011001100101
321110010121200111
412113300121211
5204331001403
614335013021
72435362066
oct627603145
9243117614
10106890853
1155378753
122b96a171
13191b7134
14102a656d
1595b656d
hex65f0665

106890853 has 4 divisors (see below), whose sum is σ = 107049420. Its totient is φ = 106732288.

The previous prime is 106890851. The next prime is 106890859. The reversal of 106890853 is 358098601.

It is a happy number.

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 102556129 + 4334724 = 10127^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 106890853 - 21 = 106890851 is a prime.

It is a super-2 number, since 2×1068908532 = 22851308910135218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106890851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78268 + ... + 79621.

It is an arithmetic number, because the mean of its divisors is an integer number (26762355).

Almost surely, 2106890853 is an apocalyptic number.

It is an amenable number.

106890853 is a deficient number, since it is larger than the sum of its proper divisors (158567).

106890853 is an equidigital number, since it uses as much as digits as its factorization.

106890853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158566.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 106890853 is about 10338.8032673032. The cubic root of 106890853 is about 474.5844609613.

The spelling of 106890853 in words is "one hundred six million, eight hundred ninety thousand, eight hundred fifty-three".

Divisors: 1 677 157889 106890853