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19108968 = 2337091123
BaseRepresentation
bin100100011100…
…1010001101000
31022221211120120
41020321101220
514342441333
61521323240
7321265164
oct110712150
938854516
1019108968
11a87193a
126496520
133c609a8
142775ca4
151a26db3
hex1239468

19108968 has 32 divisors (see below), whose sum is σ = 47882400. Its totient is φ = 6355008.

The previous prime is 19108939. The next prime is 19108981. The reversal of 19108968 is 86980191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16455 + ... + 17577.

It is an arithmetic number, because the mean of its divisors is an integer number (1496325).

Almost surely, 219108968 is an apocalyptic number.

It is an amenable number.

19108968 is an abundant number, since it is smaller than the sum of its proper divisors (28773432).

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

19108968 is a wasteful number, since it uses less digits than its factorization.

19108968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 19108968 is about 4371.3805599604. The cubic root of 19108968 is about 267.3493162474.

It can be divided in two parts, 1910 and 8968, that added together give a triangular number (10878 = T147).

The spelling of 19108968 in words is "nineteen million, one hundred eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 709 1123 1418 2127 2246 2836 3369 4254 4492 5672 6738 8508 8984 13476 17016 26952 796207 1592414 2388621 3184828 4777242 6369656 9554484 19108968