Base | Representation |
---|---|
bin | 100101001000… |
… | …1001000000000 |
3 | 1100122010011200 |
4 | 1022101020000 |
5 | 14441000200 |
6 | 1533141200 |
7 | 324324231 |
oct | 112211000 |
9 | 40563150 |
10 | 19468800 |
11 | aa9821a |
12 | 662a800 |
13 | 4058700 |
14 | 282b088 |
15 | 1a98800 |
hex | 1291200 |
19468800 has 270 divisors, whose sum is σ = 75445227. Its totient is φ = 4792320.
The previous prime is 19468789. The next prime is 19468807. The reversal of 19468800 is 886491.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 1218816 + 18249984 = 1104^2 + 4272^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3120.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (19468807) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1497594 + ... + 1497606.
Almost surely, 219468800 is an apocalyptic number.
19468800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19468800
19468800 is an abundant number, since it is smaller than the sum of its proper divisors (55976427).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19468800 is a wasteful number, since it uses less digits than its factorization.
19468800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60 (or 23 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 19468800 is about 4412.3463146041. The cubic root of 19468800 is about 269.0170016387.
The spelling of 19468800 in words is "nineteen million, four hundred sixty-eight thousand, eight hundred".
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