| Base | Representation |
|---|---|
| bin | 100100101101… |
| … | …0011100001000 |
| 3 | 1100012201220200 |
| 4 | 1021122130020 |
| 5 | 14411313213 |
| 6 | 1524252200 |
| 7 | 322402212 |
| oct | 111323410 |
| 9 | 40181820 |
| 10 | 19244808 |
| 11 | a954a00 |
| 12 | 6541060 |
| 13 | 3caa77b |
| 14 | 27ad5b2 |
| 15 | 1a52273 |
| hex | 125a708 |
19244808 has 108 divisors (see below), whose sum is σ = 58535295. Its totient is φ = 5707680.
The previous prime is 19244807. The next prime is 19244809. The reversal of 19244808 is 80844291.
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 is an interprime number because it is at equal distance from previous prime (19244807) and next prime (19244809).
It can be written as a sum of positive squares in only one way, i.e., 9622404 + 9622404 = 3102^2 + 3102^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3102.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (19244803) 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, 409441 + ... + 409487.
Almost surely, 219244808 is an apocalyptic number.
19244808 is a gapful number since it is divisible by the number (18) 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 19244808
19244808 is an abundant number, since it is smaller than the sum of its proper divisors (39290487).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19244808 is a wasteful number, since it uses less digits than its factorization.
19244808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128 (or 63 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 19244808 is about 4386.8904704813. The cubic root of 19244808 is about 267.9813234182.
Multiplying 19244808 by its product of nonzero digits (18432), we get a square (354720301056 = 5955842).
The spelling of 19244808 in words is "nineteen million, two hundred forty-four thousand, eight hundred eight".
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