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19117084 = 2272412833
BaseRepresentation
bin100100011101…
…1010000011100
31022222020201011
41020323100130
514343221314
61521425004
7321330640
oct110732034
938866634
1019117084
11a877a48
12649b164
133c645ac
142778c20
151a294c4
hex123b41c

19117084 has 24 divisors (see below), whose sum is σ = 38406368. Its totient is φ = 8156160.

The previous prime is 19117079. The next prime is 19117093. The reversal of 19117084 is 48071191.

It is a congruent number.

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, 5332 + ... + 8164.

Almost surely, 219117084 is an apocalyptic number.

19117084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19117084 is an abundant number, since it is smaller than the sum of its proper divisors (19289284).

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

19117084 is a wasteful number, since it uses less digits than its factorization.

19117084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 19117084 is about 4372.3087722621. The cubic root of 19117084 is about 267.3871606064.

The spelling of 19117084 in words is "nineteen million, one hundred seventeen thousand, eighty-four".

Divisors: 1 2 4 7 14 28 241 482 964 1687 2833 3374 5666 6748 11332 19831 39662 79324 682753 1365506 2731012 4779271 9558542 19117084