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19116908 = 2217281131
BaseRepresentation
bin100100011101…
…1001101101100
31022222020110122
41020323031230
514343220113
61521424112
7321330266
oct110731554
938866418
1019116908
11a8778a8
12649b038
133c644a5
142778b36
151a29408
hex123b36c

19116908 has 12 divisors (see below), whose sum is σ = 35422632. Its totient is φ = 8996160.

The previous prime is 19116899. The next prime is 19116917. The reversal of 19116908 is 80961191.

It is an interprime number because it is at equal distance from previous prime (19116899) and next prime (19116917).

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 3 ways as a sum of consecutive naturals, for example, 140498 + ... + 140633.

It is an arithmetic number, because the mean of its divisors is an integer number (2951886).

Almost surely, 219116908 is an apocalyptic number.

It is an amenable number.

19116908 is a deficient number, since it is larger than the sum of its proper divisors (16305724).

19116908 is a wasteful number, since it uses less digits than its factorization.

19116908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281152 (or 281150 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 19116908 is about 4372.2886455494. The cubic root of 19116908 is about 267.3863400439.

The spelling of 19116908 in words is "nineteen million, one hundred sixteen thousand, nine hundred eight".

Divisors: 1 2 4 17 34 68 281131 562262 1124524 4779227 9558454 19116908