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13290043 = 1383109113
BaseRepresentation
bin110010101100…
…101000111011
3221000012111211
4302230220323
511400240133
61152503551
7220651324
oct62545073
927005454
1013290043
117558008
12454abb7
1329a4240
141a9d44b
151277bcd
hexcaca3b

13290043 has 16 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 11902464.

The previous prime is 13290037. The next prime is 13290061. The reversal of 13290043 is 34009231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13290043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13289996 and 13290023.

It is not an unprimeable number, because it can be changed into a prime (13290083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117555 + ... + 117667.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 213290043 is an apocalyptic number.

13290043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13290043 is a deficient number, since it is larger than the sum of its proper divisors (1456997).

13290043 is a wasteful number, since it uses less digits than its factorization.

13290043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13290043 is about 3645.5511243158. The cubic root of 13290043 is about 236.8693102274.

Adding to 13290043 its reverse (34009231), we get a palindrome (47299274).

The spelling of 13290043 in words is "thirteen million, two hundred ninety thousand, forty-three".

Divisors: 1 13 83 109 113 1079 1417 1469 9047 9379 12317 117611 121927 160121 1022311 13290043