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2428799 = 4159239
BaseRepresentation
bin1001010000111101111111
311120101200112
421100331333
51110210144
6124020235
726434022
oct11207577
94511615
102428799
11140987a
1299167b
13670679
144731b9
1532e99e
hex250f7f

2428799 has 4 divisors (see below), whose sum is σ = 2488080. Its totient is φ = 2369520.

The previous prime is 2428787. The next prime is 2428859. The reversal of 2428799 is 9978242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9978242 = 24989121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2428799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 59239 = 2428799 / (2 + 4 + 2 + 8 + 7 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428729) 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, 29579 + ... + 29660.

It is an arithmetic number, because the mean of its divisors is an integer number (622020).

22428799 is an apocalyptic number.

2428799 is a deficient number, since it is larger than the sum of its proper divisors (59281).

2428799 is an equidigital number, since it uses as much as digits as its factorization.

2428799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59280.

The product of its digits is 72576, while the sum is 41.

The square root of 2428799 is about 1558.4604582728. The cubic root of 2428799 is about 134.4199899110.

The spelling of 2428799 in words is "two million, four hundred twenty-eight thousand, seven hundred ninety-nine".

Divisors: 1 41 59239 2428799