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19464068 = 2213228793
BaseRepresentation
bin100101000111…
…1111110000100
31100121212200102
41022033332010
514440322233
61533103232
7324304361
oct112177604
940555612
1019464068
11aa94708
126627b18
134056500
142829468
151a971e8
hex128ff84

19464068 has 18 divisors (see below), whose sum is σ = 36885114. Its totient is φ = 8983104.

The previous prime is 19464047. The next prime is 19464077. The reversal of 19464068 is 86046491.

It can be written as a sum of positive squares in 3 ways, for example, as 262144 + 19201924 = 512^2 + 4382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13721 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (2049173).

Almost surely, 219464068 is an apocalyptic number.

It is an amenable number.

19464068 is a deficient number, since it is larger than the sum of its proper divisors (17421046).

19464068 is a wasteful number, since it uses less digits than its factorization.

19464068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28823 (or 28808 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 19464068 is about 4411.8100593747. The cubic root of 19464068 is about 268.9952045137.

The spelling of 19464068 in words is "nineteen million, four hundred sixty-four thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 169 338 676 28793 57586 115172 374309 748618 1497236 4866017 9732034 19464068