Search a number
-
+
13923806 = 213677993
BaseRepresentation
bin110101000111…
…010111011110
3222012101212112
4311013113132
512031030211
61214234022
7226231121
oct65072736
928171775
1013923806
117950186
1247b5912
132b66850
141bc63b8
15135088b
hexd475de

13923806 has 16 divisors (see below), whose sum is σ = 22830864. Its totient is φ = 6329664.

The previous prime is 13923779. The next prime is 13923821. The reversal of 13923806 is 60832931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 5738.

It is an arithmetic number, because the mean of its divisors is an integer number (1426929).

Almost surely, 213923806 is an apocalyptic number.

13923806 is a deficient number, since it is larger than the sum of its proper divisors (8907058).

13923806 is a wasteful number, since it uses less digits than its factorization.

13923806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13923806 is about 3731.4616439138. The cubic root of 13923806 is about 240.5761965678.

The spelling of 13923806 in words is "thirteen million, nine hundred twenty-three thousand, eight hundred six".

Divisors: 1 2 13 26 67 134 871 1742 7993 15986 103909 207818 535531 1071062 6961903 13923806