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13132506 = 232188751
BaseRepresentation
bin110010000110…
…001011011010
3220201012102010
4302012023122
511330220011
61145250350
7216424122
oct62061332
926635363
1013132506
11745a712
1244939b6
13294a61a
141a5bc82
1512461a6
hexc862da

13132506 has 8 divisors (see below), whose sum is σ = 26265024. Its totient is φ = 4377500.

The previous prime is 13132489. The next prime is 13132513. The reversal of 13132506 is 60523131.

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

13132506 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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, 1094370 + ... + 1094381.

It is an arithmetic number, because the mean of its divisors is an integer number (3283128).

Almost surely, 213132506 is an apocalyptic number.

13132506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13132506 is a wasteful number, since it uses less digits than its factorization.

13132506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188756.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13132506 is about 3623.8799648995. The cubic root of 13132506 is about 235.9296568099.

Adding to 13132506 its reverse (60523131), we get a palindrome (73655637).

The spelling of 13132506 in words is "thirteen million, one hundred thirty-two thousand, five hundred six".

Divisors: 1 2 3 6 2188751 4377502 6566253 13132506