Search a number
-
+
13097242 = 217569677
BaseRepresentation
bin110001111101…
…100100011010
3220122102001001
4301331210122
511323102432
61144415214
7216216244
oct61754432
926572031
1013097242
117436174
12447750a
132937562
141a4d094
15123a9e7
hexc7d91a

13097242 has 16 divisors (see below), whose sum is σ = 20868840. Its totient is φ = 6143488.

The previous prime is 13097209. The next prime is 13097257. The reversal of 13097242 is 24279031.

It can be written as a sum of positive squares in 4 ways, for example, as 13024881 + 72361 = 3609^2 + 269^2 .

It is a super-3 number, since 3×130972423 (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13097242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19008 + ... + 19684.

Almost surely, 213097242 is an apocalyptic number.

13097242 is a deficient number, since it is larger than the sum of its proper divisors (7771598).

13097242 is a wasteful number, since it uses less digits than its factorization.

13097242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13097242 is about 3619.0111909194. The cubic root of 13097242 is about 235.7182911734.

The spelling of 13097242 in words is "thirteen million, ninety-seven thousand, two hundred forty-two".

Divisors: 1 2 17 34 569 677 1138 1354 9673 11509 19346 23018 385213 770426 6548621 13097242