Search a number
-
+
13946785 = 517915583
BaseRepresentation
bin110101001100…
…111110100001
3222020120101121
4311030332201
512032244120
61214532241
7226355116
oct65147641
928216347
1013946785
117966476
124807081
132b74148
141bd090d
1513575aa
hexd4cfa1

13946785 has 8 divisors (see below), whose sum is σ = 16830720. Its totient is φ = 11094384.

The previous prime is 13946773. The next prime is 13946789. The reversal of 13946785 is 58764931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13946785 - 27 = 13946657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13946789) 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 7 ways as a sum of consecutive naturals, for example, 6897 + ... + 8686.

It is an arithmetic number, because the mean of its divisors is an integer number (2103840).

Almost surely, 213946785 is an apocalyptic number.

It is an amenable number.

13946785 is a deficient number, since it is larger than the sum of its proper divisors (2883935).

13946785 is a wasteful number, since it uses less digits than its factorization.

13946785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767.

The product of its digits is 181440, while the sum is 43.

The square root of 13946785 is about 3734.5394629057. The cubic root of 13946785 is about 240.7084679231.

The spelling of 13946785 in words is "thirteen million, nine hundred forty-six thousand, seven hundred eighty-five".

Divisors: 1 5 179 895 15583 77915 2789357 13946785