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19883082 = 2319174413
BaseRepresentation
bin100101111011…
…0010001001010
31101102011110110
41023312101022
520042224312
61550055150
7331001112
oct113662112
941364413
1019883082
11102504aa
1267aa4b6
13417214b
1428d8042
151b2b43c
hex12f644a

19883082 has 16 divisors (see below), whose sum is σ = 41859360. Its totient is φ = 6278832.

The previous prime is 19883077. The next prime is 19883089. The reversal of 19883082 is 28038891.

It is a self number, because there is not a number n which added to its sum of digits gives 19883082.

It is not an unprimeable number, because it can be changed into a prime (19883089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87093 + ... + 87320.

It is an arithmetic number, because the mean of its divisors is an integer number (2616210).

Almost surely, 219883082 is an apocalyptic number.

19883082 is an abundant number, since it is smaller than the sum of its proper divisors (21976278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19883082 is a wasteful number, since it uses less digits than its factorization.

19883082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174437.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 19883082 is about 4459.0449650121. The cubic root of 19883082 is about 270.9117871231.

The spelling of 19883082 in words is "nineteen million, eight hundred eighty-three thousand, eighty-two".

Divisors: 1 2 3 6 19 38 57 114 174413 348826 523239 1046478 3313847 6627694 9941541 19883082