Search a number
-
+
20048995 = 54009799
BaseRepresentation
bin100110001111…
…0110001100011
31101201121001101
41030132301203
520113031440
61553415231
7332261611
oct114366143
941647041
1020048995
111035411a
12686a517
1341cc815
14293c6b1
151b6069a
hex131ec63

20048995 has 4 divisors (see below), whose sum is σ = 24058800. Its totient is φ = 16039192.

The previous prime is 20048981. The next prime is 20049023. The reversal of 20048995 is 59984002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20048995 - 213 = 20040803 is a prime.

It is an unprimeable number.

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, 2004895 + ... + 2004904.

It is an arithmetic number, because the mean of its divisors is an integer number (6014700).

Almost surely, 220048995 is an apocalyptic number.

20048995 is a deficient number, since it is larger than the sum of its proper divisors (4009805).

20048995 is an equidigital number, since it uses as much as digits as its factorization.

20048995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009804.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 20048995 is about 4477.6104118157. The cubic root of 20048995 is about 271.6632357243.

The spelling of 20048995 in words is "twenty million, forty-eight thousand, nine hundred ninety-five".

Divisors: 1 5 4009799 20048995