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13304043 = 321818167
BaseRepresentation
bin110010110000…
…000011101011
3221000220201100
4302300003223
511401212133
61153052443
7221040204
oct62600353
927026640
1013304043
117567585
124557123
1329aa71c
141aa45ab
15127be13
hexcb00eb

13304043 has 12 divisors (see below), whose sum is σ = 19325488. Its totient is φ = 8819280.

The previous prime is 13304041. The next prime is 13304063. The reversal of 13304043 is 34040331.

It is not a de Polignac number, because 13304043 - 21 = 13304041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13304041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2455 + ... + 5712.

Almost surely, 213304043 is an apocalyptic number.

13304043 is a deficient number, since it is larger than the sum of its proper divisors (6021445).

13304043 is a wasteful number, since it uses less digits than its factorization.

13304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8354 (or 8351 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13304043 is about 3647.4707675319. The cubic root of 13304043 is about 236.9524553455.

Adding to 13304043 its reverse (34040331), we get a palindrome (47344374).

The spelling of 13304043 in words is "thirteen million, three hundred four thousand, forty-three".

Divisors: 1 3 9 181 543 1629 8167 24501 73503 1478227 4434681 13304043