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108628 = 22132089
BaseRepresentation
bin11010100001010100
312112000021
4122201110
511434003
62154524
7631462
oct324124
9175007
10108628
1174683
1252a44
133a5a0
142b832
15222bd
hex1a854

108628 has 12 divisors (see below), whose sum is σ = 204820. Its totient is φ = 50112.

The previous prime is 108587. The next prime is 108631. The reversal of 108628 is 826801.

It can be written as a sum of positive squares in 2 ways, for example, as 56644 + 51984 = 238^2 + 228^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

108628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993 + ... + 1096.

2108628 is an apocalyptic number.

It is an amenable number.

108628 is a deficient number, since it is larger than the sum of its proper divisors (96192).

108628 is a wasteful number, since it uses less digits than its factorization.

108628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 108628 is about 329.5876211268. The cubic root of 108628 is about 47.7141576553.

The spelling of 108628 in words is "one hundred eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 26 52 2089 4178 8356 27157 54314 108628