Base | Representation |
---|---|
bin | 100100011100… |
… | …1010001101000 |
3 | 1022221211120120 |
4 | 1020321101220 |
5 | 14342441333 |
6 | 1521323240 |
7 | 321265164 |
oct | 110712150 |
9 | 38854516 |
10 | 19108968 |
11 | a87193a |
12 | 6496520 |
13 | 3c609a8 |
14 | 2775ca4 |
15 | 1a26db3 |
hex | 1239468 |
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".
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