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13013732 = 227145823
BaseRepresentation
bin110001101001…
…001011100100
3220111011111002
4301221023210
511312414412
61142532432
7215420624
oct61511344
926434432
1013013732
117389456
124437118
132908544
141a2a884
151220dc2
hexc692e4

13013732 has 12 divisors (see below), whose sum is σ = 23095296. Its totient is φ = 6415080.

The previous prime is 13013731. The next prime is 13013743. The reversal of 13013732 is 23731031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13013731) 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, 22628 + ... + 23195.

It is an arithmetic number, because the mean of its divisors is an integer number (1924608).

Almost surely, 213013732 is an apocalyptic number.

It is an amenable number.

13013732 is a deficient number, since it is larger than the sum of its proper divisors (10081564).

13013732 is a wasteful number, since it uses less digits than its factorization.

13013732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45898 (or 45896 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13013732 is about 3607.4550586251. The cubic root of 13013732 is about 235.2162307355.

Adding to 13013732 its reverse (23731031), we get a palindrome (36744763).

The spelling of 13013732 in words is "thirteen million, thirteen thousand, seven hundred thirty-two".

Divisors: 1 2 4 71 142 284 45823 91646 183292 3253433 6506866 13013732