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230226447 = 31129240571
BaseRepresentation
bin11011011100011…
…11101000001111
3121001012201022110
431232033220033
5432414221242
634502315103
75463615063
oct1556175017
9531181273
10230226447
11108a585a0
1265128a93
133890b389
142280daa3
151532a39c
hexdb8fa0f

230226447 has 16 divisors (see below), whose sum is σ = 346423680. Its totient is φ = 134719200.

The previous prime is 230226433. The next prime is 230226449. The reversal of 230226447 is 744622032.

It is not a de Polignac number, because 230226447 - 226 = 163117583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230226449) 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 15 ways as a sum of consecutive naturals, for example, 119329 + ... + 121242.

It is an arithmetic number, because the mean of its divisors is an integer number (21651480).

Almost surely, 2230226447 is an apocalyptic number.

230226447 is a deficient number, since it is larger than the sum of its proper divisors (116197233).

230226447 is a wasteful number, since it uses less digits than its factorization.

230226447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240614.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 230226447 is about 15173.2147879083. The cubic root of 230226447 is about 612.8935775021.

Adding to 230226447 its reverse (744622032), we get a palindrome (974848479).

The spelling of 230226447 in words is "two hundred thirty million, two hundred twenty-six thousand, four hundred forty-seven".

Divisors: 1 3 11 29 33 87 319 957 240571 721713 2646281 6976559 7938843 20929677 76742149 230226447