Base | Representation |
---|---|
bin | 111010000111… |
… | …0111110010001 |
3 | 2010100001000202 |
4 | 1310032332101 |
5 | 30300020113 |
6 | 3005024545 |
7 | 516663626 |
oct | 164167621 |
9 | 63301022 |
10 | 30470033 |
11 | 16221650 |
12 | a255155 |
13 | 640ac09 |
14 | 409234d |
15 | 2a1d258 |
hex | 1d0ef91 |
30470033 has 8 divisors (see below), whose sum is σ = 33484320. Its totient is φ = 27496480.
The previous prime is 30470023. The next prime is 30470131. The reversal of 30470033 is 33007403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30470033 - 24 = 30470017 is a prime.
It is a super-2 number, since 2×304700332 = 1856845822042178, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30469987 and 30470014.
It is not an unprimeable number, because it can be changed into a prime (30470003) 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, 8603 + ... + 11616.
It is an arithmetic number, because the mean of its divisors is an integer number (4185540).
Almost surely, 230470033 is an apocalyptic number.
It is an amenable number.
30470033 is a deficient number, since it is larger than the sum of its proper divisors (3014287).
30470033 is a wasteful number, since it uses less digits than its factorization.
30470033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20367.
The product of its (nonzero) digits is 756, while the sum is 20.
The square root of 30470033 is about 5519.9667571463. The cubic root of 30470033 is about 312.3376282880.
Adding to 30470033 its reverse (33007403), we get a palindrome (63477436).
The spelling of 30470033 in words is "thirty million, four hundred seventy thousand, thirty-three".
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