Search a number
-
+
13713244 = 2223149057
BaseRepresentation
bin110100010011…
…111101011100
3221210201000221
4310103331130
512002310434
61205531124
7224363206
oct64237534
927721027
1013713244
117816a66
124713aa4
132ac1a5c
141b6d776
15130d2b4
hexd13f5c

13713244 has 12 divisors (see below), whose sum is σ = 25041744. Its totient is φ = 6558464.

The previous prime is 13713239. The next prime is 13713247. The reversal of 13713244 is 44231731.

It is a super-2 number, since 2×137132442 = 376106122007072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13713247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74437 + ... + 74620.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 213713244 is an apocalyptic number.

It is an amenable number.

13713244 is a deficient number, since it is larger than the sum of its proper divisors (11328500).

13713244 is a wasteful number, since it uses less digits than its factorization.

13713244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149084 (or 149082 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 13713244 is about 3703.1397489158. The cubic root of 13713244 is about 239.3573315339.

Adding to 13713244 its reverse (44231731), we get a palindrome (57944975).

The spelling of 13713244 in words is "thirteen million, seven hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 149057 298114 596228 3428311 6856622 13713244