Base | Representation |
---|---|
bin | 111010000101… |
… | …0010101001001 |
3 | 2010022001221110 |
4 | 1310022111021 |
5 | 30243413032 |
6 | 3004400533 |
7 | 516554322 |
oct | 164122511 |
9 | 63261843 |
10 | 30451017 |
11 | 16209333 |
12 | a246149 |
13 | 640236c |
14 | 4089449 |
15 | 2a177cc |
hex | 1d0a549 |
30451017 has 8 divisors (see below), whose sum is σ = 41267200. Its totient is φ = 19967760.
The previous prime is 30451013. The next prime is 30451027. The reversal of 30451017 is 71015403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30451017 - 22 = 30451013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30450984 and 30451002.
It is not an unprimeable number, because it can be changed into a prime (30451013) 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 7 ways as a sum of consecutive naturals, for example, 83017 + ... + 83382.
It is an arithmetic number, because the mean of its divisors is an integer number (5158400).
Almost surely, 230451017 is an apocalyptic number.
It is an amenable number.
30451017 is a deficient number, since it is larger than the sum of its proper divisors (10816183).
30451017 is a wasteful number, since it uses less digits than its factorization.
30451017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166463.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 30451017 is about 5518.2440141770. The cubic root of 30451017 is about 312.2726393162.
The spelling of 30451017 in words is "thirty million, four hundred fifty-one thousand, seventeen".
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