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13430066 = 213516541
BaseRepresentation
bin110011001110…
…110100110010
3221021022120212
4303032310302
511414230231
61155504122
7222103466
oct63166462
927238525
1013430066
117643231
1245b8042
132a22bb0
141ad84a6
1512a442b
hexcced32

13430066 has 8 divisors (see below), whose sum is σ = 21694764. Its totient is φ = 6198480.

The previous prime is 13430063. The next prime is 13430069. The reversal of 13430066 is 66003431.

It is an interprime number because it is at equal distance from previous prime (13430063) and next prime (13430069).

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 863041 = 3545^2 + 929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13430063) 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 3 ways as a sum of consecutive naturals, for example, 258245 + ... + 258296.

Almost surely, 213430066 is an apocalyptic number.

13430066 is a deficient number, since it is larger than the sum of its proper divisors (8264698).

13430066 is a wasteful number, since it uses less digits than its factorization.

13430066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516556.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13430066 is about 3664.7054451893. The cubic root of 13430066 is about 237.6982853778.

Adding to 13430066 its reverse (66003431), we get a palindrome (79433497).

The spelling of 13430066 in words is "thirteen million, four hundred thirty thousand, sixty-six".

Divisors: 1 2 13 26 516541 1033082 6715033 13430066