Base | Representation |
---|---|
bin | 111010000110… |
… | …1100100100001 |
3 | 2010022202011000 |
4 | 1310031210201 |
5 | 30244324124 |
6 | 3004542213 |
7 | 516641112 |
oct | 164154441 |
9 | 63282130 |
10 | 30464289 |
11 | 162182a9 |
12 | a251969 |
13 | 640840b |
14 | 4090209 |
15 | 2a1b6c9 |
hex | 1d0d921 |
30464289 has 32 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 18489600.
The previous prime is 30464281. The next prime is 30464293. The reversal of 30464289 is 98246403.
It is a happy number.
30464289 is a `hidden beast` number, since 3 + 0 + 4 + 642 + 8 + 9 = 666.
It is not a de Polignac number, because 30464289 - 23 = 30464281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30464281) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 13159 + ... + 15299.
It is an arithmetic number, because the mean of its divisors is an integer number (1542240).
Almost surely, 230464289 is an apocalyptic number.
It is an amenable number.
30464289 is a deficient number, since it is larger than the sum of its proper divisors (18887391).
30464289 is a wasteful number, since it uses less digits than its factorization.
30464289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 30464289 is about 5519.4464396350. The cubic root of 30464289 is about 312.3180004777.
The spelling of 30464289 in words is "thirty million, four hundred sixty-four thousand, two hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •