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2428423 = 2838581
BaseRepresentation
bin1001010000111000000111
311120101011121
421100320013
51110202143
6124014411
726432644
oct11207007
94511147
102428423
111409568
12991407
1367044a
14472dcb
1532e7ed
hex250e07

2428423 has 4 divisors (see below), whose sum is σ = 2437288. Its totient is φ = 2419560.

The previous prime is 2428417. The next prime is 2428427. The reversal of 2428423 is 3248242.

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 2428423 - 29 = 2427911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4008 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (609322).

22428423 is an apocalyptic number.

2428423 is a deficient number, since it is larger than the sum of its proper divisors (8865).

2428423 is an equidigital number, since it uses as much as digits as its factorization.

2428423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864.

The product of its digits is 3072, while the sum is 25.

The square root of 2428423 is about 1558.3398217334. The cubic root of 2428423 is about 134.4130530772.

The spelling of 2428423 in words is "two million, four hundred twenty-eight thousand, four hundred twenty-three".

Divisors: 1 283 8581 2428423