Search a number
-
+
13968061 = 23607307
BaseRepresentation
bin110101010010…
…001010111101
3222021122120121
4311102022331
512033434221
61215214541
7226504132
oct65221275
928248517
1013968061
117980458
124817451
132b80a33
141bd8589
15135da41
hexd522bd

13968061 has 4 divisors (see below), whose sum is σ = 14575392. Its totient is φ = 13360732.

The previous prime is 13968049. The next prime is 13968089. The reversal of 13968061 is 16086931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13968061 - 215 = 13935293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968001) 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 3 ways as a sum of consecutive naturals, for example, 303631 + ... + 303676.

It is an arithmetic number, because the mean of its divisors is an integer number (3643848).

Almost surely, 213968061 is an apocalyptic number.

It is an amenable number.

13968061 is a deficient number, since it is larger than the sum of its proper divisors (607331).

13968061 is an equidigital number, since it uses as much as digits as its factorization.

13968061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607330.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13968061 is about 3737.3869213663. The cubic root of 13968061 is about 240.8308070227.

The spelling of 13968061 in words is "thirteen million, nine hundred sixty-eight thousand, sixty-one".

Divisors: 1 23 607307 13968061