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20054051 = 291933583
BaseRepresentation
bin100110010000…
…0000000100011
31101201211222122
41030200000203
520113212201
61553454455
7332312423
oct114400043
941654878
1020054051
11103579a6
12687142b
134201c04
142940483
151b61e1b
hex1320023

20054051 has 8 divisors (see below), whose sum is σ = 20858880. Its totient is φ = 19256832.

The previous prime is 20054017. The next prime is 20054093. The reversal of 20054051 is 15045002.

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

It is a cyclic number.

It is not a de Polignac number, because 20054051 - 222 = 15859747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20054011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3806 + ... + 7388.

It is an arithmetic number, because the mean of its divisors is an integer number (2607360).

Almost surely, 220054051 is an apocalyptic number.

20054051 is a deficient number, since it is larger than the sum of its proper divisors (804829).

20054051 is a wasteful number, since it uses less digits than its factorization.

20054051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20054051 is about 4478.1749630849. The cubic root of 20054051 is about 271.6860700173.

Adding to 20054051 its reverse (15045002), we get a palindrome (35099053).

The spelling of 20054051 in words is "twenty million, fifty-four thousand, fifty-one".

Divisors: 1 29 193 3583 5597 103907 691519 20054051