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672007 = 796001
BaseRepresentation
bin10100100000100000111
31021010211011
42210010013
5133001012
622223051
75466130
oct2440407
91233734
10672007
11419986
12284a87
131a6b4b
14136c87
15d41a7
hexa4107

672007 has 4 divisors (see below), whose sum is σ = 768016. Its totient is φ = 576000.

The previous prime is 671999. The next prime is 672019. The reversal of 672007 is 700276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672007 - 23 = 671999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672097) by changing a digit.

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, 47994 + ... + 48007.

It is an arithmetic number, because the mean of its divisors is an integer number (192004).

2672007 is an apocalyptic number.

672007 is a deficient number, since it is larger than the sum of its proper divisors (96009).

672007 is an equidigital number, since it uses as much as digits as its factorization.

672007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96008.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 672007 is about 819.7603308285. The cubic root of 672007 is about 87.5906869300.

The spelling of 672007 in words is "six hundred seventy-two thousand, seven".

Divisors: 1 7 96001 672007