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4225979 = 17248587
BaseRepresentation
bin10000000111101110111011
321221200221202
4100013232323
52040212404
6230324415
750630432
oct20075673
97850852
104225979
11242704a
1214b970b
13b4c6a4
147c0119
1558721e
hex407bbb

4225979 has 4 divisors (see below), whose sum is σ = 4474584. Its totient is φ = 3977376.

The previous prime is 4225973. The next prime is 4225981. The reversal of 4225979 is 9795224.

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

It is a cyclic number.

It is not a de Polignac number, because 4225979 - 212 = 4221883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4225973) 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, 124277 + ... + 124310.

It is an arithmetic number, because the mean of its divisors is an integer number (1118646).

Almost surely, 24225979 is an apocalyptic number.

4225979 is a deficient number, since it is larger than the sum of its proper divisors (248605).

4225979 is a wasteful number, since it uses less digits than its factorization.

4225979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248604.

The product of its digits is 45360, while the sum is 38.

The square root of 4225979 is about 2055.7186091486. The cubic root of 4225979 is about 161.6748418771.

The spelling of 4225979 in words is "four million, two hundred twenty-five thousand, nine hundred seventy-nine".

Divisors: 1 17 248587 4225979