Base | Representation |
---|---|
bin | 111010001001… |
… | …0001001010111 |
3 | 2010100200212011 |
4 | 1310102021113 |
5 | 30300424111 |
6 | 3005205051 |
7 | 520046545 |
oct | 164221127 |
9 | 63320764 |
10 | 30483031 |
11 | 16230397 |
12 | a260787 |
13 | 6413ac7 |
14 | 4096d95 |
15 | 2a22021 |
hex | 1d12257 |
30483031 has 4 divisors (see below), whose sum is σ = 31534200. Its totient is φ = 29431864.
The previous prime is 30483029. The next prime is 30483041. The reversal of 30483031 is 13038403.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30483031 - 21 = 30483029 is a prime.
It is a super-2 number, since 2×304830312 = 1858430357893922, 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 = 30482993 and 30483011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30483041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525541 + ... + 525598.
It is an arithmetic number, because the mean of its divisors is an integer number (7883550).
Almost surely, 230483031 is an apocalyptic number.
30483031 is a deficient number, since it is larger than the sum of its proper divisors (1051169).
30483031 is a wasteful number, since it uses less digits than its factorization.
30483031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051168.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30483031 is about 5521.1439937752. The cubic root of 30483031 is about 312.3820346216.
The spelling of 30483031 in words is "thirty million, four hundred eighty-three thousand, thirty-one".
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