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3868911 = 33178429
BaseRepresentation
bin1110110000100011101111
321021120011000
432300203233
51442301121
6214531343
744612424
oct16604357
97246130
103868911
112202852
121366b53
13a55cc7
14729d4b
15516526
hex3b08ef

3868911 has 16 divisors (see below), whose sum is σ = 6069600. Its totient is φ = 2427264.

The previous prime is 3868901. The next prime is 3868933. The reversal of 3868911 is 1198683.

It is not a de Polignac number, because 3868911 - 26 = 3868847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3756 + ... + 4673.

It is an arithmetic number, because the mean of its divisors is an integer number (379350).

Almost surely, 23868911 is an apocalyptic number.

3868911 is a deficient number, since it is larger than the sum of its proper divisors (2200689).

3868911 is a wasteful number, since it uses less digits than its factorization.

3868911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455 (or 8449 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3868911 is about 1966.9547529112. The cubic root of 3868911 is about 156.9867190951.

The spelling of 3868911 in words is "three million, eight hundred sixty-eight thousand, nine hundred eleven".

Divisors: 1 3 9 17 27 51 153 459 8429 25287 75861 143293 227583 429879 1289637 3868911