Base | Representation |
---|---|
bin | 100100101001… |
… | …1011010011110 |
3 | 1100011021102211 |
4 | 1021103122132 |
5 | 14404403110 |
6 | 1523511034 |
7 | 322222261 |
oct | 111233236 |
9 | 40137384 |
10 | 19216030 |
11 | a935319 |
12 | 652847a |
13 | 3c9a642 |
14 | 27a2cd8 |
15 | 1a4898a |
hex | 125369e |
19216030 has 24 divisors (see below), whose sum is σ = 36511992. Its totient is φ = 7280496.
The previous prime is 19216013. The next prime is 19216081. The reversal of 19216030 is 3061291.
It is a junction number, because it is equal to n+sod(n) for n = 19215992 and 19216010.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949 + ... + 6271.
It is an arithmetic number, because the mean of its divisors is an integer number (1521333).
Almost surely, 219216030 is an apocalyptic number.
19216030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19216030 is a deficient number, since it is larger than the sum of its proper divisors (17295962).
19216030 is a wasteful number, since it uses less digits than its factorization.
19216030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5368 (or 5349 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 19216030 is about 4383.6092435344. The cubic root of 19216030 is about 267.8476802075.
The spelling of 19216030 in words is "nineteen million, two hundred sixteen thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •