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6425983 = 17377999
BaseRepresentation
bin11000100000110101111111
3110002110210101
4120200311333
53121112413
6345421531
7105422434
oct30406577
913073711
106425983
113699a33
12219a8a7
13143cb75
14bd3b8b
1586dedd
hex620d7f

6425983 has 4 divisors (see below), whose sum is σ = 6804000. Its totient is φ = 6047968.

The previous prime is 6425957. The next prime is 6425987. The reversal of 6425983 is 3895246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6425983 is a prime.

It is a d-powerful number, because it can be written as 6 + 411 + 217 + 55 + 92 + 87 + 35 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425987) 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 3 ways as a sum of consecutive naturals, for example, 188983 + ... + 189016.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 26425983 is an apocalyptic number.

6425983 is a deficient number, since it is larger than the sum of its proper divisors (378017).

6425983 is a wasteful number, since it uses less digits than its factorization.

6425983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378016.

The product of its digits is 51840, while the sum is 37.

The square root of 6425983 is about 2534.9522677952. The cubic root of 6425983 is about 185.9144690962.

The spelling of 6425983 in words is "six million, four hundred twenty-five thousand, nine hundred eighty-three".

Divisors: 1 17 377999 6425983