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20054095 = 54010819
BaseRepresentation
bin100110010000…
…0000001001111
31101201212001021
41030200001033
520113212340
61553455011
7332312515
oct114400117
941655037
1020054095
1110357a36
126871467
134201c39
1429404b5
151b61e4a
hex132004f

20054095 has 4 divisors (see below), whose sum is σ = 24064920. Its totient is φ = 16043272.

The previous prime is 20054093. The next prime is 20054113. The reversal of 20054095 is 59045002.

Adding to 20054095 its reverse (59045002), we get a palindrome (79099097).

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 20054095 - 21 = 20054093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005405 + ... + 2005414.

It is an arithmetic number, because the mean of its divisors is an integer number (6016230).

Almost surely, 220054095 is an apocalyptic number.

20054095 is a deficient number, since it is larger than the sum of its proper divisors (4010825).

20054095 is an equidigital number, since it uses as much as digits as its factorization.

20054095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010824.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 20054095 is about 4478.1798757978. The cubic root of 20054095 is about 271.6862687166.

The spelling of 20054095 in words is "twenty million, fifty-four thousand, ninety-five".

Divisors: 1 5 4010819 20054095