Search a number
-
+
672341620 = 22582340847
BaseRepresentation
bin101000000100110…
…001111001110100
31201212010111022111
4220010301321310
52334104412440
6150414340404
722442544436
oct5004617164
91655114274
10672341620
11315579235
121691ba704
13a93a71a2
1465418656
153e05c4ea
hex28131e74

672341620 has 24 divisors (see below), whose sum is σ = 1413667584. Its totient is φ = 268603296.

The previous prime is 672341617. The next prime is 672341641. The reversal of 672341620 is 26143276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3964 + ... + 36883.

It is an arithmetic number, because the mean of its divisors is an integer number (58902816).

Almost surely, 2672341620 is an apocalyptic number.

It is an amenable number.

672341620 is an abundant number, since it is smaller than the sum of its proper divisors (741325964).

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

672341620 is a wasteful number, since it uses less digits than its factorization.

672341620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41679 (or 41677 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 672341620 is about 25929.5510952272. The cubic root of 672341620 is about 876.0522285603.

Adding to 672341620 its reverse (26143276), we get a palindrome (698484896).

The spelling of 672341620 in words is "six hundred seventy-two million, three hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 823 1646 3292 4115 8230 16460 40847 81694 163388 204235 408470 816940 33617081 67234162 134468324 168085405 336170810 672341620