Base | Representation |
---|---|
bin | 100110000001… |
… | …0011101110100 |
3 | 1101111200222220 |
4 | 1030002131310 |
5 | 20100324134 |
6 | 1551122340 |
7 | 331266555 |
oct | 114023564 |
9 | 41450886 |
10 | 19933044 |
11 | 10284a9a |
12 | 68133b0 |
13 | 418bb01 |
14 | 290c32c |
15 | 1b3b149 |
hex | 1302774 |
19933044 has 24 divisors (see below), whose sum is σ = 49246848. Its totient is φ = 6253440.
The previous prime is 19933013. The next prime is 19933073. The reversal of 19933044 is 44033991.
It is a junction number, because it is equal to n+sod(n) for n = 19932996 and 19933014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48652 + ... + 49059.
It is an arithmetic number, because the mean of its divisors is an integer number (2051952).
Almost surely, 219933044 is an apocalyptic number.
It is an amenable number.
19933044 is an abundant number, since it is smaller than the sum of its proper divisors (29313804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19933044 is a wasteful number, since it uses less digits than its factorization.
19933044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97735 (or 97733 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 19933044 is about 4464.6437707840. The cubic root of 19933044 is about 271.1385120911.
It can be divided in two parts, 199 and 33044, that multiplied together give a palindrome (6575756).
The spelling of 19933044 in words is "nineteen million, nine hundred thirty-three thousand, forty-four".
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