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672070 = 2579601
BaseRepresentation
bin10100100000101000110
31021010220111
42210011012
5133001240
622223234
75466250
oct2440506
91233814
10672070
11419a33
12284b1a
131a6b99
14136cd0
15d41ea
hexa4146

672070 has 16 divisors (see below), whose sum is σ = 1382688. Its totient is φ = 230400.

The previous prime is 672059. The next prime is 672073. The reversal of 672070 is 70276.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672073) by changing a digit.

672070 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 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (86418).

2672070 is an apocalyptic number.

672070 is an abundant number, since it is smaller than the sum of its proper divisors (710618).

It is a weird number, because it is abundant, but not a pseudoperfect number.

672070 is a wasteful number, since it uses less digits than its factorization.

672070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615.

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

The square root of 672070 is about 819.7987557932. The cubic root of 672070 is about 87.5934240249.

The spelling of 672070 in words is "six hundred seventy-two thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 9601 19202 48005 67207 96010 134414 336035 672070