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13434434 = 213516709
BaseRepresentation
bin110011001111…
…111001000010
3221021112120122
4303033321002
511414400214
61155540242
7222122306
oct63177102
927245518
1013434434
117646542
1245ba682
132a24b90
141ad9d06
1512a588e
hexccfe42

13434434 has 8 divisors (see below), whose sum is σ = 21701820. Its totient is φ = 6200496.

The previous prime is 13434427. The next prime is 13434451. The reversal of 13434434 is 43443431.

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 2209 = 3665^2 + 47^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 516709 = 13434434 / (1 + 3 + 4 + 3 + 4 + 4 + 3 + 4).

It is an unprimeable number.

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, 258329 + ... + 258380.

Almost surely, 213434434 is an apocalyptic number.

13434434 is a deficient number, since it is larger than the sum of its proper divisors (8267386).

13434434 is a wasteful number, since it uses less digits than its factorization.

13434434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516724.

The product of its digits is 6912, while the sum is 26.

The square root of 13434434 is about 3665.3013518673. The cubic root of 13434434 is about 237.7240522794.

Adding to 13434434 its reverse (43443431), we get a palindrome (56877865).

The spelling of 13434434 in words is "thirteen million, four hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 13 26 516709 1033418 6717217 13434434