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4280079 = 31426693
BaseRepresentation
bin10000010100111100001111
322001110011110
4100110330033
52043430304
6231423103
751244236
oct20247417
98043143
104280079
112463761
121524a93
13b6b1bb
147d5b1d
15598289
hex414f0f

4280079 has 4 divisors (see below), whose sum is σ = 5706776. Its totient is φ = 2853384.

The previous prime is 4280071. The next prime is 4280083. The reversal of 4280079 is 9700824.

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

It is not a de Polignac number, because 4280079 - 23 = 4280071 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280071) 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 3 ways as a sum of consecutive naturals, for example, 713344 + ... + 713349.

It is an arithmetic number, because the mean of its divisors is an integer number (1426694).

Almost surely, 24280079 is an apocalyptic number.

4280079 is a deficient number, since it is larger than the sum of its proper divisors (1426697).

4280079 is a wasteful number, since it uses less digits than its factorization.

4280079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426696.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4280079 is about 2068.8351795153. The cubic root of 4280079 is about 162.3618265289.

The spelling of 4280079 in words is "four million, two hundred eighty thousand, seventy-nine".

Divisors: 1 3 1426693 4280079