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3868449 = 31399191
BaseRepresentation
bin1110110000011100100001
321021112111220
432300130201
51442242244
6214525253
744611164
oct16603441
97245456
103868449
112202472
121366829
13a55a30
14729adb
15516319
hex3b0721

3868449 has 8 divisors (see below), whose sum is σ = 5554752. Its totient is φ = 2380560.

The previous prime is 3868441. The next prime is 3868463. The reversal of 3868449 is 9448683.

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

It is not a de Polignac number, because 3868449 - 23 = 3868441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3868449.

It is not an unprimeable number, because it can be changed into a prime (3868441) 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, 49557 + ... + 49634.

It is an arithmetic number, because the mean of its divisors is an integer number (694344).

Almost surely, 23868449 is an apocalyptic number.

3868449 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3868449 is a deficient number, since it is larger than the sum of its proper divisors (1686303).

3868449 is a wasteful number, since it uses less digits than its factorization.

3868449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99207.

The product of its digits is 165888, while the sum is 42.

The square root of 3868449 is about 1966.8373089811. The cubic root of 3868449 is about 156.9804700713.

It can be divided in two parts, 38 and 68449, that multiplied together give a palindrome (2601062).

The spelling of 3868449 in words is "three million, eight hundred sixty-eight thousand, four hundred forty-nine".

Divisors: 1 3 13 39 99191 297573 1289483 3868449