Base | Representation |
---|---|
bin | 111010100011… |
… | …0101110111011 |
3 | 2010202122022210 |
4 | 1311012232323 |
5 | 30324322202 |
6 | 3013550203 |
7 | 521634534 |
oct | 165065673 |
9 | 63678283 |
10 | 30698427 |
11 | 16368201 |
12 | a345363 |
13 | 648ab66 |
14 | 411168b |
15 | 2a65c6c |
hex | 1d46bbb |
30698427 has 8 divisors (see below), whose sum is σ = 41000464. Its totient is φ = 20431008.
The previous prime is 30698417. The next prime is 30698461. The reversal of 30698427 is 72489603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30698427 - 24 = 30698411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30698417) 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, 6508 + ... + 10185.
It is an arithmetic number, because the mean of its divisors is an integer number (5125058).
Almost surely, 230698427 is an apocalyptic number.
30698427 is a deficient number, since it is larger than the sum of its proper divisors (10302037).
30698427 is a wasteful number, since it uses less digits than its factorization.
30698427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17309.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 30698427 is about 5540.6161209743. The cubic root of 30698427 is about 313.1160821122.
It can be divided in two parts, 30698 and 427, that added together give a triangular number (31125 = T249).
The spelling of 30698427 in words is "thirty million, six hundred ninety-eight thousand, four hundred twenty-seven".
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