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3678680 = 23591967
BaseRepresentation
bin1110000010000111011000
320220220012102
432002013120
51420204210
6210502532
743161005
oct16020730
96826172
103678680
112092935
121294a48
139ba545
146ba8ac
154c9ea5
hex3821d8

3678680 has 16 divisors (see below), whose sum is σ = 8277120. Its totient is φ = 1471456.

The previous prime is 3678671. The next prime is 3678683. The reversal of 3678680 is 868763.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678683) 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, 45944 + ... + 46023.

It is an arithmetic number, because the mean of its divisors is an integer number (517320).

Almost surely, 23678680 is an apocalyptic number.

It is an amenable number.

3678680 is an abundant number, since it is smaller than the sum of its proper divisors (4598440).

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

3678680 is a wasteful number, since it uses less digits than its factorization.

3678680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91978 (or 91974 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3678680 is about 1917.9885296842. The cubic root of 3678680 is about 154.3703908430.

The spelling of 3678680 in words is "three million, six hundred seventy-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 91967 183934 367868 459835 735736 919670 1839340 3678680