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230322021 = 376774007
BaseRepresentation
bin11011011101001…
…10111101100101
3121001101120102020
431232212331211
5432430301041
634504333353
75464463526
oct1556467545
9531346366
10230322021
11109013386
1265174259
1338942a27
142283684d
1515348866
hexdba6f65

230322021 has 4 divisors (see below), whose sum is σ = 307096032. Its totient is φ = 153548012.

The previous prime is 230322011. The next prime is 230322073. The reversal of 230322021 is 120223032.

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 230322021 - 214 = 230305637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230322011) 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, 38387001 + ... + 38387006.

It is an arithmetic number, because the mean of its divisors is an integer number (76774008).

Almost surely, 2230322021 is an apocalyptic number.

It is an amenable number.

230322021 is a deficient number, since it is larger than the sum of its proper divisors (76774011).

230322021 is an equidigital number, since it uses as much as digits as its factorization.

230322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76774010.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230322021 is about 15176.3638925798. The cubic root of 230322021 is about 612.9783760237.

Adding to 230322021 its reverse (120223032), we get a palindrome (350545053).

The spelling of 230322021 in words is "two hundred thirty million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 3 76774007 230322021