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19827082 = 2113172843
BaseRepresentation
bin100101110100…
…0100110001010
31101022022122101
41023220212022
520033431312
61544544014
7330345622
oct113504612
941268571
1019827082
1110212420
12678200a
134152802
1428c1882
151b19a57
hex12e898a

19827082 has 16 divisors (see below), whose sum is σ = 32558112. Its totient is φ = 8980720.

The previous prime is 19827061. The next prime is 19827103. The reversal of 19827082 is 28072891.

It is an interprime number because it is at equal distance from previous prime (19827061) and next prime (19827103).

It is a super-2 number, since 2×198270822 = 786226361269448, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5553 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (2034882).

Almost surely, 219827082 is an apocalyptic number.

19827082 is a deficient number, since it is larger than the sum of its proper divisors (12731030).

19827082 is a wasteful number, since it uses less digits than its factorization.

19827082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 19827082 is about 4452.7611658386. The cubic root of 19827082 is about 270.6572101360.

The spelling of 19827082 in words is "nineteen million, eight hundred twenty-seven thousand, eighty-two".

Divisors: 1 2 11 22 317 634 2843 3487 5686 6974 31273 62546 901231 1802462 9913541 19827082