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19427082 = 2319170413
BaseRepresentation
bin100101000011…
…0111100001010
31100112222221120
41022012330022
514433131312
61532220110
7324061503
oct112067412
940488846
1019427082
11aa69944
12660a636
13404271c
142819baa
151a8b28c
hex1286f0a

19427082 has 16 divisors (see below), whose sum is σ = 40899360. Its totient is φ = 6134832.

The previous prime is 19427081. The next prime is 19427113. The reversal of 19427082 is 28072491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19427081) 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 7 ways as a sum of consecutive naturals, for example, 85093 + ... + 85320.

It is an arithmetic number, because the mean of its divisors is an integer number (2556210).

Almost surely, 219427082 is an apocalyptic number.

19427082 is an abundant number, since it is smaller than the sum of its proper divisors (21472278).

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

19427082 is a wasteful number, since it uses less digits than its factorization.

19427082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170437.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 19427082 is about 4407.6163626160. The cubic root of 19427082 is about 268.8247131739.

The spelling of 19427082 in words is "nineteen million, four hundred twenty-seven thousand, eighty-two".

Divisors: 1 2 3 6 19 38 57 114 170413 340826 511239 1022478 3237847 6475694 9713541 19427082