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3681612 = 2234111033
BaseRepresentation
bin1110000010110101001100
320221001020000
432002311030
51420302422
6210524300
743202364
oct16026514
96831200
103681612
112095060
121296690
139bb98c
146bb9a4
154cacac
hex382d4c

3681612 has 60 divisors (see below), whose sum is σ = 10509576. Its totient is φ = 1114560.

The previous prime is 3681599. The next prime is 3681619. The reversal of 3681612 is 2161863.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3681619) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3048 + ... + 4080.

Almost surely, 23681612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3681612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5254788).

3681612 is an abundant number, since it is smaller than the sum of its proper divisors (6827964).

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

3681612 is a wasteful number, since it uses less digits than its factorization.

3681612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1049 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3681612 is about 1918.7527198678. The cubic root of 3681612 is about 154.4113923064.

The spelling of 3681612 in words is "three million, six hundred eighty-one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1033 1188 1782 2066 3099 3564 4132 6198 9297 11363 12396 18594 22726 27891 34089 37188 45452 55782 68178 83673 102267 111564 136356 167346 204534 306801 334692 409068 613602 920403 1227204 1840806 3681612