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2230003021 = 5873798983
BaseRepresentation
bin1000010011101011…
…0010010101001101
312202102010220001111
42010322302111031
514031340044041
61005140412021
7106155466351
oct20472622515
95672126044
102230003021
11a44862304
125229a7011
13297007b1c
1417224b461
15d0b96981
hex84eb254d

2230003021 has 4 divisors (see below), whose sum is σ = 2233802592. Its totient is φ = 2226203452.

The previous prime is 2230003007. The next prime is 2230003049. The reversal of 2230003021 is 1203000322.

It is a happy number.

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 2230003021 - 225 = 2196448589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230002992 and 2230003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230009021) 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, 1898905 + ... + 1900078.

It is an arithmetic number, because the mean of its divisors is an integer number (558450648).

Almost surely, 22230003021 is an apocalyptic number.

It is an amenable number.

2230003021 is a deficient number, since it is larger than the sum of its proper divisors (3799571).

2230003021 is an equidigital number, since it uses as much as digits as its factorization.

2230003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799570.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2230003021 is about 47222.9077990757. The cubic root of 2230003021 is about 1306.4771461372.

Adding to 2230003021 its reverse (1203000322), we get a palindrome (3433003343).

The spelling of 2230003021 in words is "two billion, two hundred thirty million, three thousand, twenty-one".

Divisors: 1 587 3798983 2230003021