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19984046 = 255717939
BaseRepresentation
bin100110000111…
…0111010101110
31101121021221212
41030032322232
520103442141
61552154422
7331601345
oct114167256
941537855
1019984046
111030a345
126838a12
1341a90a4
142922b5c
151b4b2eb
hex130eeae

19984046 has 8 divisors (see below), whose sum is σ = 30031560. Its totient is φ = 9973528.

The previous prime is 19984039. The next prime is 19984051. The reversal of 19984046 is 64048991.

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 = 19983994 and 19984012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7856 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (3753945).

Almost surely, 219984046 is an apocalyptic number.

19984046 is a deficient number, since it is larger than the sum of its proper divisors (10047514).

19984046 is a wasteful number, since it uses less digits than its factorization.

19984046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 19984046 is about 4470.3518877153. The cubic root of 19984046 is about 271.3695660949.

The spelling of 19984046 in words is "nineteen million, nine hundred eighty-four thousand, forty-six".

Divisors: 1 2 557 1114 17939 35878 9992023 19984046