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6380257 = 132191987
BaseRepresentation
bin11000010101101011100001
3110000011001211
4120111223201
53113132012
6344430121
7105142222
oct30255341
913004054
106380257
113668644
122178341
131425100
14bc1249
158606a7
hex615ae1

6380257 has 12 divisors (see below), whose sum is σ = 7276080. Its totient is φ = 5576688.

The previous prime is 6380251. The next prime is 6380263. The reversal of 6380257 is 7520836.

It is an interprime number because it is at equal distance from previous prime (6380251) and next prime (6380263).

It is not a de Polignac number, because 6380257 - 23 = 6380249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6380251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2218 + ... + 4204.

It is an arithmetic number, because the mean of its divisors is an integer number (606340).

Almost surely, 26380257 is an apocalyptic number.

It is an amenable number.

6380257 is a deficient number, since it is larger than the sum of its proper divisors (895823).

6380257 is a wasteful number, since it uses less digits than its factorization.

6380257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6380257 is about 2525.9170611879. The cubic root of 6380257 is about 185.4724423430.

The spelling of 6380257 in words is "six million, three hundred eighty thousand, two hundred fifty-seven".

Divisors: 1 13 19 169 247 1987 3211 25831 37753 335803 490789 6380257