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2428001 = 23910159
BaseRepresentation
bin1001010000110001100001
311120100120222
421100301201
51110144001
6124012425
726431502
oct11206141
94510528
102428001
111409214
12991115
136701b4
14472ba9
1532e61b
hex250c61

2428001 has 4 divisors (see below), whose sum is σ = 2438400. Its totient is φ = 2417604.

The previous prime is 2427989. The next prime is 2428003. The reversal of 2428001 is 1008242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1008242 = 2504121.

It is a cyclic number.

It is not a de Polignac number, because 2428001 - 218 = 2165857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2428003) 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, 4841 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (609600).

22428001 is an apocalyptic number.

It is an amenable number.

2428001 is a deficient number, since it is larger than the sum of its proper divisors (10399).

2428001 is a wasteful number, since it uses less digits than its factorization.

2428001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2428001 is about 1558.2044153448. The cubic root of 2428001 is about 134.4052667355.

The spelling of 2428001 in words is "two million, four hundred twenty-eight thousand, one".

Divisors: 1 239 10159 2428001