Base | Representation |
---|---|
bin | 111010101000… |
… | …0111001111010 |
3 | 2010211202110212 |
4 | 1311100321322 |
5 | 30332140330 |
6 | 3014511122 |
7 | 522200153 |
oct | 165207172 |
9 | 63752425 |
10 | 30740090 |
11 | 16396537 |
12 | a3654a2 |
13 | 64a3b04 |
14 | 412292a |
15 | 2a73295 |
hex | 1d50e7a |
30740090 has 8 divisors (see below), whose sum is σ = 55332180. Its totient is φ = 12296032.
The previous prime is 30740051. The next prime is 30740117. The reversal of 30740090 is 9004703.
It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 346921 = 5513^2 + 589^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536995 + ... + 1537014.
Almost surely, 230740090 is an apocalyptic number.
30740090 is a deficient number, since it is larger than the sum of its proper divisors (24592090).
30740090 is a wasteful number, since it uses less digits than its factorization.
30740090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3074016.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 30740090 is about 5544.3746265923. The cubic root of 30740090 is about 313.2576687173.
Adding to 30740090 its reverse (9004703), we get a palindrome (39744793).
The spelling of 30740090 in words is "thirty million, seven hundred forty thousand, ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •