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6422479 = 72131071
BaseRepresentation
bin11000011111111111001111
3110002021222121
4120133333033
53121004404
6345353411
7105406300
oct30377717
913067877
106422479
113697338
122198867
13143b3ab
14bd27a7
1586ce54
hex61ffcf

6422479 has 6 divisors (see below), whose sum is σ = 7471104. Its totient is φ = 5504940.

The previous prime is 6422477. The next prime is 6422501. The reversal of 6422479 is 9742246.

It is not a de Polignac number, because 6422479 - 21 = 6422477 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65487 + ... + 65584.

It is an arithmetic number, because the mean of its divisors is an integer number (1245184).

Almost surely, 26422479 is an apocalyptic number.

6422479 is a deficient number, since it is larger than the sum of its proper divisors (1048625).

6422479 is a wasteful number, since it uses less digits than its factorization.

6422479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131085 (or 131078 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 6422479 is about 2534.2610362786. The cubic root of 6422479 is about 185.8806707526.

The spelling of 6422479 in words is "six million, four hundred twenty-two thousand, four hundred seventy-nine".

Divisors: 1 7 49 131071 917497 6422479