Search a number
-
+
20011054 = 278211741
BaseRepresentation
bin100110001010…
…1100000101110
31101122200000011
41030111200232
520110323204
61552523434
7332043160
oct114254056
941580004
1020011054
1110328668
12685057a
1341b847b
14292c930
151b54304
hex131582e

20011054 has 16 divisors (see below), whose sum is σ = 34366176. Its totient is φ = 8560800.

The previous prime is 20011037. The next prime is 20011067. The reversal of 20011054 is 45011002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10624 + ... + 12364.

It is an arithmetic number, because the mean of its divisors is an integer number (2147886).

Almost surely, 220011054 is an apocalyptic number.

20011054 is a deficient number, since it is larger than the sum of its proper divisors (14355122).

20011054 is a wasteful number, since it uses less digits than its factorization.

20011054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 20011054 is about 4473.3716590509. The cubic root of 20011054 is about 271.4917610696.

Adding to 20011054 its reverse (45011002), we get a palindrome (65022056).

The spelling of 20011054 in words is "twenty million, eleven thousand, fifty-four".

Divisors: 1 2 7 14 821 1642 1741 3482 5747 11494 12187 24374 1429361 2858722 10005527 20011054