Base | Representation |
---|---|
bin | 111001100000… |
… | …0000011111000 |
3 | 2002201121122110 |
4 | 1303000003320 |
5 | 30204144213 |
6 | 2554052320 |
7 | 514146366 |
oct | 163000370 |
9 | 62647573 |
10 | 30146808 |
11 | 1602081a |
12 | a11a0a0 |
13 | 6326a63 |
14 | 400a636 |
15 | 29a75c3 |
hex | 1cc00f8 |
30146808 has 32 divisors (see below), whose sum is σ = 77207760. Its totient is φ = 9803520.
The previous prime is 30146803. The next prime is 30146819. The reversal of 30146808 is 80864103.
It is a happy number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30146801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14335 + ... + 16302.
Almost surely, 230146808 is an apocalyptic number.
It is an amenable number.
30146808 is an abundant number, since it is smaller than the sum of its proper divisors (47060952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30146808 is a wasteful number, since it uses less digits than its factorization.
30146808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30687 (or 30683 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 30146808 is about 5490.6108949733. The cubic root of 30146808 is about 311.2292778256.
The spelling of 30146808 in words is "thirty million, one hundred forty-six thousand, eight hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •