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6142643 = 132191913
BaseRepresentation
bin10111011011101010110011
3102120002010022
4113123222303
53033031033
6335354055
7103132403
oct27335263
912502108
106142643
113516071
12208292b
131370c00
14b5c803
15815098
hex5dbab3

6142643 has 12 divisors (see below), whose sum is σ = 7005240. Its totient is φ = 5368896.

The previous prime is 6142613. The next prime is 6142649. The reversal of 6142643 is 3462416.

It is not a de Polignac number, because 6142643 - 28 = 6142387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2255 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (583770).

Almost surely, 26142643 is an apocalyptic number.

6142643 is a deficient number, since it is larger than the sum of its proper divisors (862597).

6142643 is a wasteful number, since it uses less digits than its factorization.

6142643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1945 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 6142643 is about 2478.4355952899. The cubic root of 6142643 is about 183.1407936384.

The spelling of 6142643 in words is "six million, one hundred forty-two thousand, six hundred forty-three".

Divisors: 1 13 19 169 247 1913 3211 24869 36347 323297 472511 6142643