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13434545 = 524111149
BaseRepresentation
bin110011001111…
…111010110001
3221021112201202
4303033322301
511414401140
61155540545
7222122525
oct63177261
927245652
1013434545
117646633
1245ba755
132a24c47
141ad9d85
1512a5915
hexccfeb1

13434545 has 8 divisors (see below), whose sum is σ = 16189800. Its totient is φ = 10702080.

The previous prime is 13434523. The next prime is 13434557. The reversal of 13434545 is 54543431.

It can be written as a sum of positive squares in 4 ways, for example, as 1607824 + 11826721 = 1268^2 + 3439^2 .

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

It is not a de Polignac number, because 13434545 - 26 = 13434481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4370 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (2023725).

Almost surely, 213434545 is an apocalyptic number.

It is an amenable number.

13434545 is a deficient number, since it is larger than the sum of its proper divisors (2755255).

13434545 is a wasteful number, since it uses less digits than its factorization.

13434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395.

The product of its digits is 14400, while the sum is 29.

The square root of 13434545 is about 3665.3164938379. The cubic root of 13434545 is about 237.7247069974.

Adding to 13434545 its reverse (54543431), we get a palindrome (67977976).

The spelling of 13434545 in words is "thirteen million, four hundred thirty-four thousand, five hundred forty-five".

Divisors: 1 5 241 1205 11149 55745 2686909 13434545