Search a number
-
+
20522054 = 271465861
BaseRepresentation
bin100111001001…
…0010001000110
31102121121222002
41032102101012
520223201204
62011505302
7336302030
oct116222106
942547862
1020522054
1110647583
126a58232
134336c37
142a22c50
151c0591e
hex1392446

20522054 has 8 divisors (see below), whose sum is σ = 35180688. Its totient is φ = 8795160.

The previous prime is 20522041. The next prime is 20522059. The reversal of 20522054 is 45022502.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522059) 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, 732917 + ... + 732944.

It is an arithmetic number, because the mean of its divisors is an integer number (4397586).

Almost surely, 220522054 is an apocalyptic number.

20522054 is a deficient number, since it is larger than the sum of its proper divisors (14658634).

20522054 is a wasteful number, since it uses less digits than its factorization.

20522054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465870.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20522054 is about 4530.1273712778. The cubic root of 20522054 is about 273.7832925183.

Adding to 20522054 its reverse (45022502), we get a palindrome (65544556).

The spelling of 20522054 in words is "twenty million, five hundred twenty-two thousand, fifty-four".

Divisors: 1 2 7 14 1465861 2931722 10261027 20522054