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3820680 = 2332510613
BaseRepresentation
bin1110100100110010001000
321012002222200
432210302020
51434230210
6213520200
744322003
oct16446210
97162880
103820680
11217a596
121343060
13a3a076
1471653a
155070c0
hex3a4c88

3820680 has 48 divisors (see below), whose sum is σ = 12418380. Its totient is φ = 1018752.

The previous prime is 3820673. The next prime is 3820709. The reversal of 3820680 is 860283.

3820680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 338724 = 1866^2 + 582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4947 + ... + 5666.

Almost surely, 23820680 is an apocalyptic number.

3820680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3820680 is an abundant number, since it is smaller than the sum of its proper divisors (8597700).

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

3820680 is a wasteful number, since it uses less digits than its factorization.

3820680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630 (or 10623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3820680 is about 1954.6559799617. The cubic root of 3820680 is about 156.3316416010.

The spelling of 3820680 in words is "three million, eight hundred twenty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 10613 21226 31839 42452 53065 63678 84904 95517 106130 127356 159195 191034 212260 254712 318390 382068 424520 477585 636780 764136 955170 1273560 1910340 3820680