Base | Representation |
---|---|
bin | 111010000010… |
… | …0100101100010 |
3 | 2010020212200002 |
4 | 1310010211202 |
5 | 30242134430 |
6 | 3004100002 |
7 | 516425612 |
oct | 164044542 |
9 | 63225602 |
10 | 30427490 |
11 | 161a2695 |
12 | a234602 |
13 | 63c4742 |
14 | 4080a42 |
15 | 2a10845 |
hex | 1d04962 |
30427490 has 8 divisors (see below), whose sum is σ = 54769500. Its totient is φ = 12170992.
The previous prime is 30427487. The next prime is 30427519. The reversal of 30427490 is 9472403.
It can be written as a sum of positive squares in 2 ways, for example, as 28912129 + 1515361 = 5377^2 + 1231^2 .
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, 1521365 + ... + 1521384.
Almost surely, 230427490 is an apocalyptic number.
30427490 is a deficient number, since it is larger than the sum of its proper divisors (24342010).
30427490 is a wasteful number, since it uses less digits than its factorization.
30427490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3042756.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 30427490 is about 5516.1118552836. Note that the first 3 decimals coincide. The cubic root of 30427490 is about 312.1921961212.
Adding to 30427490 its reverse (9472403), we get a palindrome (39899893).
The spelling of 30427490 in words is "thirty million, four hundred twenty-seven thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •