Base | Representation |
---|---|
bin | 100101001000… |
… | …1000001010000 |
3 | 1100122002120200 |
4 | 1022101001100 |
5 | 14440441433 |
6 | 1533135200 |
7 | 324323043 |
oct | 112210120 |
9 | 40562520 |
10 | 19468368 |
11 | aa97967 |
12 | 662a500 |
13 | 405845a |
14 | 282ac5a |
15 | 1a98613 |
hex | 1291050 |
19468368 has 30 divisors (see below), whose sum is σ = 54484794. Its totient is φ = 6489408.
The previous prime is 19468357. The next prime is 19468409. The reversal of 19468368 is 86386491.
It can be written as a sum of positive squares in only one way, i.e., 12873744 + 6594624 = 3588^2 + 2568^2 .
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67455 + ... + 67742.
Almost surely, 219468368 is an apocalyptic number.
19468368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
19468368 is an abundant number, since it is smaller than the sum of its proper divisors (35016426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19468368 is a wasteful number, since it uses less digits than its factorization.
19468368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135211 (or 135202 counting only the distinct ones).
The product of its digits is 248832, while the sum is 45.
The square root of 19468368 is about 4412.2973607861. The cubic root of 19468368 is about 269.0150118532.
The spelling of 19468368 in words is "nineteen million, four hundred sixty-eight thousand, three hundred sixty-eight".
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