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19043982 = 2323134129
BaseRepresentation
bin100100010100…
…1011010001110
31022211112102200
41020221122032
514333401412
61520102330
7320604546
oct110513216
938745380
1019043982
11a828031
1264649a6
133c3a239
14275a326
151a129dc
hex122968e

19043982 has 24 divisors (see below), whose sum is σ = 42594240. Its totient is φ = 6143040.

The previous prime is 19043971. The next prime is 19043987. The reversal of 19043982 is 28934091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19043987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16507 + ... + 17622.

It is an arithmetic number, because the mean of its divisors is an integer number (1774760).

Almost surely, 219043982 is an apocalyptic number.

19043982 is an abundant number, since it is smaller than the sum of its proper divisors (23550258).

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

19043982 is a wasteful number, since it uses less digits than its factorization.

19043982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34168 (or 34165 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 19043982 is about 4363.9411086769. The cubic root of 19043982 is about 267.0459038190.

It can be divided in two parts, 1904398 and 2, that added together give a square (1904400 = 13802).

The spelling of 19043982 in words is "nineteen million, forty-three thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 34129 68258 102387 204774 307161 614322 1057999 2115998 3173997 6347994 9521991 19043982