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108520 = 2352713
BaseRepresentation
bin11010011111101000
312111212021
4122133220
511433040
62154224
7631246
oct323750
9174767
10108520
1174595
1252974
133a519
142b796
152224a
hex1a7e8

108520 has 16 divisors (see below), whose sum is σ = 244260. Its totient is φ = 43392.

The previous prime is 108517. The next prime is 108529. The reversal of 108520 is 25801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 7396 = 318^2 + 86^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 108494 and 108503.

It is not an unprimeable number, because it can be changed into a prime (108529) 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, 1317 + ... + 1396.

2108520 is an apocalyptic number.

108520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108520 is an abundant number, since it is smaller than the sum of its proper divisors (135740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108520 is a wasteful number, since it uses less digits than its factorization.

108520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 108520 is about 329.4237392782. The cubic root of 108520 is about 47.6983396410.

The spelling of 108520 in words is "one hundred eight thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2713 5426 10852 13565 21704 27130 54260 108520