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13134845 = 52626969
BaseRepresentation
bin110010000110…
…101111111101
3220201022121202
4302012233331
511330303340
61145305245
7216434003
oct62065775
926638552
1013134845
117461449
124495225
13294b6c9
141a5ca73
151246c15
hexc86bfd

13134845 has 4 divisors (see below), whose sum is σ = 15761820. Its totient is φ = 10507872.

The previous prime is 13134811. The next prime is 13134853. The reversal of 13134845 is 54843131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 4713241 = 2902^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 13134845 - 218 = 12872701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313480 + ... + 1313489.

It is an arithmetic number, because the mean of its divisors is an integer number (3940455).

Almost surely, 213134845 is an apocalyptic number.

It is an amenable number.

13134845 is a deficient number, since it is larger than the sum of its proper divisors (2626975).

13134845 is an equidigital number, since it uses as much as digits as its factorization.

13134845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626974.

The product of its digits is 5760, while the sum is 29.

The square root of 13134845 is about 3624.2026709333. The cubic root of 13134845 is about 235.9436629386.

Adding to 13134845 its reverse (54843131), we get a palindrome (67977976).

The spelling of 13134845 in words is "thirteen million, one hundred thirty-four thousand, eight hundred forty-five".

Divisors: 1 5 2626969 13134845