Base | Representation |
---|---|
bin | 100100011100… |
… | …1000010101000 |
3 | 1022221210021000 |
4 | 1020321002220 |
5 | 14342424013 |
6 | 1521315000 |
7 | 321262323 |
oct | 110710250 |
9 | 38853230 |
10 | 19108008 |
11 | a871147 |
12 | 6495a60 |
13 | 3c6041a |
14 | 27757ba |
15 | 1a26973 |
hex | 12390a8 |
19108008 has 32 divisors (see below), whose sum is σ = 53078400. Its totient is φ = 6369264.
The previous prime is 19108003. The next prime is 19108057. The reversal of 19108008 is 80080191.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (19108003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44016 + ... + 44447.
It is an arithmetic number, because the mean of its divisors is an integer number (1658700).
Almost surely, 219108008 is an apocalyptic number.
19108008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
19108008 is an abundant number, since it is smaller than the sum of its proper divisors (33970392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19108008 is a wasteful number, since it uses less digits than its factorization.
19108008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88478 (or 88468 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 27.
The square root of 19108008 is about 4371.2707534537. The cubic root of 19108008 is about 267.3448391237.
Adding to 19108008 its reverse (80080191), we get a palindrome (99188199).
The spelling of 19108008 in words is "nineteen million, one hundred eight thousand, eight".
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