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672108 = 22356009
BaseRepresentation
bin10100100000101101100
31021010221220
42210011230
5133001413
622223340
75466333
oct2440554
91233856
10672108
11419a68
12284b50
131a6bc8
14136d1a
15d4223
hexa416c

672108 has 12 divisors (see below), whose sum is σ = 1568280. Its totient is φ = 224032.

The previous prime is 672107. The next prime is 672127. The reversal of 672108 is 801276.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672108.

It is not an unprimeable number, because it can be changed into a prime (672103) 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, 27993 + ... + 28016.

It is an arithmetic number, because the mean of its divisors is an integer number (130690).

2672108 is an apocalyptic number.

It is an amenable number.

672108 is an abundant number, since it is smaller than the sum of its proper divisors (896172).

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

672108 is a wasteful number, since it uses less digits than its factorization.

672108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56016 (or 56014 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 672108 is about 819.8219318852. The cubic root of 672108 is about 87.5950748883.

It can be divided in two parts, 672 and 108, that added together give a triangular number (780 = T39).

The spelling of 672108 in words is "six hundred seventy-two thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 56009 112018 168027 224036 336054 672108