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13330233 = 327457463
BaseRepresentation
bin110010110110…
…011100111001
3221002020122100
4302312130321
511403031413
61153414013
7221206440
oct62663471
927066570
1013330233
117585224
12456a309
1329b9617
141aadd57
151284a73
hexcb6739

13330233 has 24 divisors (see below), whose sum is σ = 22101248. Its totient is φ = 7584192.

The previous prime is 13330231. The next prime is 13330241. The reversal of 13330233 is 33203331.

It is not a de Polignac number, because 13330233 - 21 = 13330231 is a prime.

It is a super-2 number, since 2×133302332 = 355390223668578, 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 (13330231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28560 + ... + 29022.

Almost surely, 213330233 is an apocalyptic number.

It is an amenable number.

13330233 is a deficient number, since it is larger than the sum of its proper divisors (8771015).

13330233 is a wasteful number, since it uses less digits than its factorization.

13330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 13330233 is about 3651.0591613941. The cubic root of 13330233 is about 237.1078396165.

Adding to 13330233 its reverse (33203331), we get a palindrome (46533564).

The spelling of 13330233 in words is "thirteen million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 7 9 21 63 457 463 1371 1389 3199 3241 4113 4167 9597 9723 28791 29169 211591 634773 1481137 1904319 4443411 13330233