Base | Representation |
---|---|
bin | 111010000001… |
… | …0000100111101 |
3 | 2010020100120110 |
4 | 1310002010331 |
5 | 30241322323 |
6 | 3003540233 |
7 | 516353631 |
oct | 164020475 |
9 | 63210513 |
10 | 30417213 |
11 | 161959a2 |
12 | a22a679 |
13 | 63bcb68 |
14 | 407adc1 |
15 | 2a0c793 |
hex | 1d0213d |
30417213 has 16 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 19935936.
The previous prime is 30417193. The next prime is 30417269. The reversal of 30417213 is 31271403.
It is not a de Polignac number, because 30417213 - 216 = 30351677 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30417213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30417113) 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 15 ways as a sum of consecutive naturals, for example, 54331 + ... + 54887.
It is an arithmetic number, because the mean of its divisors is an integer number (2577960).
Almost surely, 230417213 is an apocalyptic number.
It is an amenable number.
30417213 is a deficient number, since it is larger than the sum of its proper divisors (10830147).
30417213 is a wasteful number, since it uses less digits than its factorization.
30417213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 836.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 30417213 is about 5515.1802327757. The cubic root of 30417213 is about 312.1570441311.
Adding to 30417213 its reverse (31271403), we get a palindrome (61688616).
The spelling of 30417213 in words is "thirty million, four hundred seventeen thousand, two hundred thirteen".
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