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3689286 = 23614881
BaseRepresentation
bin1110000100101101000110
320221102202020
432010231012
51421024121
6211024010
743233636
oct16045506
96842666
103689286
11209a8a7
12129b006
139c2313
146c06c6
154cd1c6
hex384b46

3689286 has 8 divisors (see below), whose sum is σ = 7378584. Its totient is φ = 1229760.

The previous prime is 3689281. The next prime is 3689291. The reversal of 3689286 is 6829863.

It is an interprime number because it is at equal distance from previous prime (3689281) and next prime (3689291).

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

3689286 is an admirable number.

It is a super-2 number, since 2×36892862 = 27221662379592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689281) 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, 307435 + ... + 307446.

It is an arithmetic number, because the mean of its divisors is an integer number (922323).

Almost surely, 23689286 is an apocalyptic number.

3689286 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.

3689286 is a wasteful number, since it uses less digits than its factorization.

3689286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614886.

The product of its digits is 124416, while the sum is 42.

The square root of 3689286 is about 1920.7514154622. The cubic root of 3689286 is about 154.5186035557.

The spelling of 3689286 in words is "three million, six hundred eighty-nine thousand, two hundred eighty-six".

Divisors: 1 2 3 6 614881 1229762 1844643 3689286