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3680286 = 23613381
BaseRepresentation
bin1110000010100000011110
320220222101220
432002200132
51420232121
6210514210
743165461
oct16024036
96828356
103680286
112094065
121295966
139bb1ac
146bb2d8
154ca6c6
hex38281e

3680286 has 8 divisors (see below), whose sum is σ = 7360584. Its totient is φ = 1226760.

The previous prime is 3680269. The next prime is 3680291. The reversal of 3680286 is 6820863.

It is a sphenic number, since it is the product of 3 distinct primes.

3680286 is an admirable number.

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, 306685 + ... + 306696.

It is an arithmetic number, because the mean of its divisors is an integer number (920073).

Almost surely, 23680286 is an apocalyptic number.

3680286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3680286 is a wasteful number, since it uses less digits than its factorization.

3680286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613386.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3680286 is about 1918.4071517798. The cubic root of 3680286 is about 154.3928520499.

The spelling of 3680286 in words is "three million, six hundred eighty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 613381 1226762 1840143 3680286