Search a number
-
+
13726245 = 3513431637
BaseRepresentation
bin110100010111…
…001000100101
3221211100212110
4310113020211
512003214440
61210111233
7224446131
oct64271045
927740773
1013726245
117825805
12471b519
132ac7950
141b743c1
151312080
hexd17225

13726245 has 32 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 6596352.

The previous prime is 13726201. The next prime is 13726249. The reversal of 13726245 is 54262731.

It is not a de Polignac number, because 13726245 - 210 = 13725221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13726249) 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 31 ways as a sum of consecutive naturals, for example, 7567 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 213726245 is an apocalyptic number.

13726245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13726245 is a deficient number, since it is larger than the sum of its proper divisors (10489947).

13726245 is a wasteful number, since it uses less digits than its factorization.

13726245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its digits is 10080, while the sum is 30.

The square root of 13726245 is about 3704.8947353467. The cubic root of 13726245 is about 239.4329494734.

Adding to 13726245 its reverse (54262731), we get a palindrome (67988976).

The spelling of 13726245 in words is "thirteen million, seven hundred twenty-six thousand, two hundred forty-five".

Divisors: 1 3 5 13 15 39 43 65 129 195 215 559 645 1637 1677 2795 4911 8185 8385 21281 24555 63843 70391 106405 211173 319215 351955 915083 1055865 2745249 4575415 13726245