Base | Representation |
---|---|
bin | 10110101011101… |
… | …00101001000011 |
3 | 111021000201101202 |
4 | 23111310221003 |
5 | 342202120034 |
6 | 30514051415 |
7 | 4500161042 |
oct | 1325645103 |
9 | 437021352 |
10 | 190270019 |
11 | 98447755 |
12 | 53879b6b |
13 | 3055b614 |
14 | 1b3ac559 |
15 | 11a8647e |
hex | b574a43 |
190270019 has 6 divisors (see below), whose sum is σ = 191518740. Its totient is φ = 189023540.
The previous prime is 190270013. The next prime is 190270039. The reversal of 190270019 is 910072091.
190270019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 190270019 - 220 = 189221443 is a prime.
It is a super-2 number, since 2×1902700192 = 72405360260520722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 190269973 and 190270000.
It is not an unprimeable number, because it can be changed into a prime (190270013) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184034 + ... + 185064.
It is an arithmetic number, because the mean of its divisors is an integer number (31919790).
Almost surely, 2190270019 is an apocalyptic number.
190270019 is a deficient number, since it is larger than the sum of its proper divisors (1248721).
190270019 is an frugal number, since it uses more digits than its factorization.
190270019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2241 (or 1210 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 29.
The square root of 190270019 is about 13793.8398932277. The cubic root of 190270019 is about 575.1619143266.
The spelling of 190270019 in words is "one hundred ninety million, two hundred seventy thousand, nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •