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13726742 = 26863371
BaseRepresentation
bin110100010111…
…010000010110
3221211101112212
4310113100112
512003223432
61210113422
7224450441
oct64272026
927741485
1013726742
117826117
12471b872
132ac7c43
141b74658
1513122b2
hexd17416

13726742 has 4 divisors (see below), whose sum is σ = 20590116. Its totient is φ = 6863370.

The previous prime is 13726733. The next prime is 13726747. The reversal of 13726742 is 24762731.

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

It is a junction number, because it is equal to n+sod(n) for n = 13726699 and 13726708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13726747) 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 as a sum of consecutive naturals, namely, 3431684 + ... + 3431687.

It is an arithmetic number, because the mean of its divisors is an integer number (5147529).

Almost surely, 213726742 is an apocalyptic number.

13726742 is a deficient number, since it is larger than the sum of its proper divisors (6863374).

13726742 is an equidigital number, since it uses as much as digits as its factorization.

13726742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863373.

The product of its digits is 14112, while the sum is 32.

The square root of 13726742 is about 3704.9618081702. The cubic root of 13726742 is about 239.4358392353.

The spelling of 13726742 in words is "thirteen million, seven hundred twenty-six thousand, seven hundred forty-two".

Divisors: 1 2 6863371 13726742