Search a number
-
+
13520058 = 2319233509
BaseRepresentation
bin110011100100…
…110010111010
3221102220000220
4303210302322
511430120213
61201440510
7222630036
oct63446272
927386026
1013520058
1176a4902
124640136
132a54b46
141b1d1c6
1512c0e23
hexce4cba

13520058 has 32 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 4242816.

The previous prime is 13520057. The next prime is 13520069. The reversal of 13520058 is 85002531.

It is not an unprimeable number, because it can be changed into a prime (13520053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26308 + ... + 26816.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 213520058 is an apocalyptic number.

13520058 is an abundant number, since it is smaller than the sum of its proper divisors (15121542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13520058 is a wasteful number, since it uses less digits than its factorization.

13520058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 13520058 is about 3676.9631491218. The cubic root of 13520058 is about 238.2280256997.

Adding to 13520058 its reverse (85002531), we get a palindrome (98522589).

The spelling of 13520058 in words is "thirteen million, five hundred twenty thousand, fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 233 466 509 699 1018 1398 1527 3054 4427 8854 9671 13281 19342 26562 29013 58026 118597 237194 355791 711582 2253343 4506686 6760029 13520058