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4287001 = 41104561
BaseRepresentation
bin10000010110101000011001
322001210122211
4100112220121
52044141001
6231515121
751303355
oct20265031
98053584
104287001
112468984
121528aa1
13b713b4
147d8465
1559a351
hex416a19

4287001 has 4 divisors (see below), whose sum is σ = 4391604. Its totient is φ = 4182400.

The previous prime is 4286987. The next prime is 4287037. The reversal of 4287001 is 1007824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 585225 + 3701776 = 765^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 4287001 - 25 = 4286969 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4287601) 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, 52240 + ... + 52321.

It is an arithmetic number, because the mean of its divisors is an integer number (1097901).

Almost surely, 24287001 is an apocalyptic number.

4287001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4287001 is a deficient number, since it is larger than the sum of its proper divisors (104603).

4287001 is a wasteful number, since it uses less digits than its factorization.

4287001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104602.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 4287001 is about 2070.5074257293. The cubic root of 4287001 is about 162.4493064753.

The spelling of 4287001 in words is "four million, two hundred eighty-seven thousand, one".

Divisors: 1 41 104561 4287001