Search a number
-
+
10205995 = 52041199
BaseRepresentation
bin100110111011…
…101100101011
3201012111222211
4212323230223
510103042440
61002425551
7152515042
oct46735453
921174884
1010205995
115840a08
1235022b7
132164567
1414d9559
15d68eea
hex9bbb2b

10205995 has 4 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 8164792.

The previous prime is 10205989. The next prime is 10206019. The reversal of 10205995 is 59950201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59950201 = 233257297.

It is a cyclic number.

It is not a de Polignac number, because 10205995 - 25 = 10205963 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020595 + ... + 1020604.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 210205995 is an apocalyptic number.

10205995 is a deficient number, since it is larger than the sum of its proper divisors (2041205).

10205995 is an equidigital number, since it uses as much as digits as its factorization.

10205995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041204.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 10205995 is about 3194.6823003235. The cubic root of 10205995 is about 216.9127683533.

The spelling of 10205995 in words is "ten million, two hundred five thousand, nine hundred ninety-five".

Divisors: 1 5 2041199 10205995