Base | Representation |
---|---|
bin | 111001110111… |
… | …1111100111110 |
3 | 2010002120201212 |
4 | 1303233330332 |
5 | 30231433344 |
6 | 3002204422 |
7 | 515624324 |
oct | 163577476 |
9 | 63076655 |
10 | 30342974 |
11 | 16145142 |
12 | a1b3712 |
13 | 639512c |
14 | 405bd14 |
15 | 29e579e |
hex | 1ceff3e |
30342974 has 8 divisors (see below), whose sum is σ = 46063080. Its totient is φ = 14988616.
The previous prime is 30342937. The next prime is 30342979. The reversal of 30342974 is 47924303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30342974.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30342979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91229 + ... + 91560.
It is an arithmetic number, because the mean of its divisors is an integer number (5757885).
Almost surely, 230342974 is an apocalyptic number.
30342974 is a deficient number, since it is larger than the sum of its proper divisors (15720106).
30342974 is a wasteful number, since it uses less digits than its factorization.
30342974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182874.
The product of its (nonzero) digits is 18144, while the sum is 32.
The square root of 30342974 is about 5508.4456972907. The cubic root of 30342974 is about 311.9028776705.
The spelling of 30342974 in words is "thirty million, three hundred forty-two thousand, nine hundred seventy-four".
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