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6380469 = 324316487
BaseRepresentation
bin11000010101101110110101
3110000011100200
4120111232311
53113133334
6344431113
7105142644
oct30255665
913004320
106380469
113668817
122178499
131425234
14bc135b
15860799
hex615bb5

6380469 has 12 divisors (see below), whose sum is σ = 9431136. Its totient is φ = 4154472.

The previous prime is 6380467. The next prime is 6380471. The reversal of 6380469 is 9640836.

It is an interprime number because it is at equal distance from previous prime (6380467) and next prime (6380471).

It is not a de Polignac number, because 6380469 - 21 = 6380467 is a prime.

It is a super-2 number, since 2×63804692 = 81420769319922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380467) 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 11 ways as a sum of consecutive naturals, for example, 7857 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (785928).

Almost surely, 26380469 is an apocalyptic number.

It is an amenable number.

6380469 is a deficient number, since it is larger than the sum of its proper divisors (3050667).

6380469 is a wasteful number, since it uses less digits than its factorization.

6380469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536 (or 16533 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6380469 is about 2525.9590257959. The cubic root of 6380469 is about 185.4744965822.

The spelling of 6380469 in words is "six million, three hundred eighty thousand, four hundred sixty-nine".

Divisors: 1 3 9 43 129 387 16487 49461 148383 708941 2126823 6380469