Base | Representation |
---|---|
bin | 111001101000… |
… | …1001101111100 |
3 | 2002212012001021 |
4 | 1303101031330 |
5 | 30213421314 |
6 | 2555353524 |
7 | 514561312 |
oct | 163211574 |
9 | 62765037 |
10 | 30217084 |
11 | 160695a7 |
12 | a1528a4 |
13 | 634ca41 |
14 | 40280b2 |
15 | 29bd324 |
hex | 1cd137c |
30217084 has 12 divisors (see below), whose sum is σ = 52935064. Its totient is φ = 15092784.
The previous prime is 30217081. The next prime is 30217091. The reversal of 30217084 is 48071203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30217081) 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, 1087 + ... + 7849.
Almost surely, 230217084 is an apocalyptic number.
It is an amenable number.
30217084 is a deficient number, since it is larger than the sum of its proper divisors (22717980).
30217084 is a wasteful number, since it uses less digits than its factorization.
30217084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7884 (or 7882 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 30217084 is about 5497.0068218986. The cubic root of 30217084 is about 311.4709283433.
Adding to 30217084 its reverse (48071203), we get a palindrome (78288287).
The spelling of 30217084 in words is "thirty million, two hundred seventeen thousand, eighty-four".
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