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2823001 = 19148579
BaseRepresentation
bin1010110001001101011001
312022102102121
422301031121
51210314001
6140301241
732665216
oct12611531
95272377
102823001
111658a65
12b41821
1377ac1c
14536b0d
153ab6a1
hex2b1359

2823001 has 4 divisors (see below), whose sum is σ = 2971600. Its totient is φ = 2674404.

The previous prime is 2822987. The next prime is 2823047. The reversal of 2823001 is 1003282.

It is a happy number.

2823001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 2823001 - 215 = 2790233 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2823101) 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, 74271 + ... + 74308.

It is an arithmetic number, because the mean of its divisors is an integer number (742900).

22823001 is an apocalyptic number.

It is an amenable number.

2823001 is a deficient number, since it is larger than the sum of its proper divisors (148599).

2823001 is a wasteful number, since it uses less digits than its factorization.

2823001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148598.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2823001 is about 1680.1788595266. The cubic root of 2823001 is about 141.3308629320.

Adding to 2823001 its reverse (1003282), we get a palindrome (3826283).

The spelling of 2823001 in words is "two million, eight hundred twenty-three thousand, one".

Divisors: 1 19 148579 2823001