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672260 = 22533613
BaseRepresentation
bin10100100001000000100
31021011011112
42210020010
5133003020
622224152
75466641
oct2441004
91234145
10672260
1141a096
12285058
131a6cb4
14136dc8
15d42c5
hexa4204

672260 has 12 divisors (see below), whose sum is σ = 1411788. Its totient is φ = 268896.

The previous prime is 672251. The next prime is 672271. The reversal of 672260 is 62276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198916 + 473344 = 446^2 + 688^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16787 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (117649).

2672260 is an apocalyptic number.

It is an amenable number.

672260 is an abundant number, since it is smaller than the sum of its proper divisors (739528).

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

672260 is a wasteful number, since it uses less digits than its factorization.

672260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33622 (or 33620 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 672260 is about 819.9146297024. The cubic root of 672260 is about 87.6016777199.

The spelling of 672260 in words is "six hundred seventy-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 33613 67226 134452 168065 336130 672260