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230322421 = 776942787
BaseRepresentation
bin11011011101001…
…11000011110101
3121001101120222001
431232213003311
5432430304141
634504335301
75464464640
oct1556470365
9531346861
10230322421
1110901370a
1265174531
1338942c74
1422836a57
1515348a31
hexdba70f5

230322421 has 8 divisors (see below), whose sum is σ = 263574080. Its totient is φ = 197157888.

The previous prime is 230322413. The next prime is 230322431. The reversal of 230322421 is 124223032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230322421 - 23 = 230322413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230322431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16011 + ... + 26776.

It is an arithmetic number, because the mean of its divisors is an integer number (32946760).

Almost surely, 2230322421 is an apocalyptic number.

It is an amenable number.

230322421 is a deficient number, since it is larger than the sum of its proper divisors (33251659).

230322421 is an equidigital number, since it uses as much as digits as its factorization.

230322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43563.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230322421 is about 15176.3770709613. The cubic root of 230322421 is about 612.9787308764.

Adding to 230322421 its reverse (124223032), we get a palindrome (354545453).

The spelling of 230322421 in words is "two hundred thirty million, three hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 7 769 5383 42787 299509 32903203 230322421