Base | Representation |
---|---|
bin | 111010000111… |
… | …1010000000001 |
3 | 2010100002120211 |
4 | 1310033100001 |
5 | 30300034134 |
6 | 3005034121 |
7 | 520000141 |
oct | 164172001 |
9 | 63302524 |
10 | 30471169 |
11 | 16222493 |
12 | a255941 |
13 | 640b5a1 |
14 | 4092921 |
15 | 2a1d764 |
hex | 1d0f401 |
30471169 has 8 divisors (see below), whose sum is σ = 31041920. Its totient is φ = 29905200.
The previous prime is 30471151. The next prime is 30471179. The reversal of 30471169 is 96117403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30471169 - 219 = 29946881 is a prime.
It is a super-2 number, since 2×304711692 = 1856984280453122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30471169.
It is not an unprimeable number, because it can be changed into a prime (30471179) 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, 13234 + ... + 15364.
It is an arithmetic number, because the mean of its divisors is an integer number (3880240).
Almost surely, 230471169 is an apocalyptic number.
It is an amenable number.
30471169 is a deficient number, since it is larger than the sum of its proper divisors (570751).
30471169 is a wasteful number, since it uses less digits than its factorization.
30471169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2391.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 30471169 is about 5520.0696553576. The cubic root of 30471169 is about 312.3415098190.
The spelling of 30471169 in words is "thirty million, four hundred seventy-one thousand, one hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •