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19984054 = 212318117
BaseRepresentation
bin100110000111…
…0111010110110
31101121021222011
41030032322312
520103442204
61552154434
7331601356
oct114167266
941537864
1019984054
111030a352
126838a1a
1341a90ac
142922b66
151b4b304
hex130eeb6

19984054 has 8 divisors (see below), whose sum is σ = 30004128. Its totient is φ = 9982680.

The previous prime is 19984051. The next prime is 19984073. The reversal of 19984054 is 45048991.

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

It is a junction number, because it is equal to n+sod(n) for n = 19983998 and 19984016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19984051) 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, 1597 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (3750516).

Almost surely, 219984054 is an apocalyptic number.

19984054 is a deficient number, since it is larger than the sum of its proper divisors (10020074).

19984054 is a wasteful number, since it uses less digits than its factorization.

19984054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 19984054 is about 4470.3527824994. The cubic root of 19984054 is about 271.3696023064.

The spelling of 19984054 in words is "nineteen million, nine hundred eighty-four thousand, fifty-four".

Divisors: 1 2 1231 2462 8117 16234 9992027 19984054