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3681816 = 233153409
BaseRepresentation
bin1110000010111000011000
320221001111120
432002320120
51420304231
6210525240
743203105
oct16027030
96831446
103681816
112095226
121296820
139bbab8
146bbaac
154cad96
hex382e18

3681816 has 16 divisors (see below), whose sum is σ = 9204600. Its totient is φ = 1227264.

The previous prime is 3681793. The next prime is 3681823. The reversal of 3681816 is 6181863.

3681816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76681 + ... + 76728.

Almost surely, 23681816 is an apocalyptic number.

It is an amenable number.

3681816 is an abundant number, since it is smaller than the sum of its proper divisors (5522784).

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

3681816 is a wasteful number, since it uses less digits than its factorization.

3681816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153418 (or 153414 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 3681816 is about 1918.8058786652. The cubic root of 3681816 is about 154.4142442584.

The spelling of 3681816 in words is "three million, six hundred eighty-one thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 153409 306818 460227 613636 920454 1227272 1840908 3681816