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13124083 = 71874869
BaseRepresentation
bin110010000100…
…000111110011
3220200202212011
4302010013303
511324432313
61145143351
7216360430
oct62040763
926622764
1013124083
117454355
12448ab57
13294683b
141a58b87
15124393d
hexc841f3

13124083 has 4 divisors (see below), whose sum is σ = 14998960. Its totient is φ = 11249208.

The previous prime is 13124081. The next prime is 13124107. The reversal of 13124083 is 38042131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38042131 = 67567793.

It is a cyclic number.

It is not a de Polignac number, because 13124083 - 21 = 13124081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937428 + ... + 937441.

It is an arithmetic number, because the mean of its divisors is an integer number (3749740).

Almost surely, 213124083 is an apocalyptic number.

13124083 is a deficient number, since it is larger than the sum of its proper divisors (1874877).

13124083 is an equidigital number, since it uses as much as digits as its factorization.

13124083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874876.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13124083 is about 3622.7176263132. The cubic root of 13124083 is about 235.8792053953.

The spelling of 13124083 in words is "thirteen million, one hundred twenty-four thousand, eighty-three".

Divisors: 1 7 1874869 13124083