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230466221 = 1092114369
BaseRepresentation
bin11011011110010…
…10001010101101
3121001122220012222
431233022022231
5432444404341
634511405125
75465634116
oct1557121255
9531586188
10230466221
11109101757
12652237a5
133899355b
142287320d
151537644b
hexdbca2ad

230466221 has 4 divisors (see below), whose sum is σ = 232580700. Its totient is φ = 228351744.

The previous prime is 230466217. The next prime is 230466241. The reversal of 230466221 is 122664032.

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 175854121 + 54612100 = 13261^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 230466221 - 22 = 230466217 is a prime.

It is a super-2 number, since 2×2304662212 = 106229358044041682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230466241) 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, 1057076 + ... + 1057293.

It is an arithmetic number, because the mean of its divisors is an integer number (58145175).

Almost surely, 2230466221 is an apocalyptic number.

It is an amenable number.

230466221 is a deficient number, since it is larger than the sum of its proper divisors (2114479).

230466221 is a wasteful number, since it uses less digits than its factorization.

230466221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114478.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 230466221 is about 15181.1139578096. The cubic root of 230466221 is about 613.1062738268.

The spelling of 230466221 in words is "two hundred thirty million, four hundred sixty-six thousand, two hundred twenty-one".

Divisors: 1 109 2114369 230466221