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20055934 = 247213361
BaseRepresentation
bin100110010000…
…0011101111110
31101201221120101
41030200131332
520113242214
61553511314
7332321053
oct114403576
941657511
1020055934
1110359358
12687253a
134202a22
14294102a
151b62774
hex132077e

20055934 has 8 divisors (see below), whose sum is σ = 30724128. Its totient is φ = 9814560.

The previous prime is 20055923. The next prime is 20055949. The reversal of 20055934 is 43955002.

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

It is a super-2 number, since 2×200559342 = 804480977224712, which contains 22 as substring.

It is a congruent number.

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, 106587 + ... + 106774.

It is an arithmetic number, because the mean of its divisors is an integer number (3840516).

Almost surely, 220055934 is an apocalyptic number.

20055934 is a deficient number, since it is larger than the sum of its proper divisors (10668194).

20055934 is a wasteful number, since it uses less digits than its factorization.

20055934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213410.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 20055934 is about 4478.3852000470. The cubic root of 20055934 is about 271.6945731847.

The spelling of 20055934 in words is "twenty million, fifty-five thousand, nine hundred thirty-four".

Divisors: 1 2 47 94 213361 426722 10027967 20055934