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3868487 = 71493709
BaseRepresentation
bin1110110000011101000111
321021112120022
432300131013
51442242422
6214525355
744611250
oct16603507
97245508
103868487
1122024a7
12136685b
13a55a5c
14729b27
15516342
hex3b0747

3868487 has 8 divisors (see below), whose sum is σ = 4452000. Its totient is φ = 3292704.

The previous prime is 3868483. The next prime is 3868493. The reversal of 3868487 is 7848683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3868487 - 22 = 3868483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (556500).

Almost surely, 23868487 is an apocalyptic number.

3868487 is a deficient number, since it is larger than the sum of its proper divisors (583513).

3868487 is a wasteful number, since it uses less digits than its factorization.

3868487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865.

The product of its digits is 258048, while the sum is 44.

The square root of 3868487 is about 1966.8469691361. The cubic root of 3868487 is about 156.9809840790.

The spelling of 3868487 in words is "three million, eight hundred sixty-eight thousand, four hundred eighty-seven".

Divisors: 1 7 149 1043 3709 25963 552641 3868487