Base | Representation |
---|---|
bin | 111010001000… |
… | …1001010111110 |
3 | 2010100111101021 |
4 | 1310101022332 |
5 | 30300312123 |
6 | 3005134354 |
7 | 520032112 |
oct | 164211276 |
9 | 63314337 |
10 | 30479038 |
11 | 16228397 |
12 | a25a3ba |
13 | 6412045 |
14 | 4095742 |
15 | 2a20c5d |
hex | 1d112be |
30479038 has 16 divisors (see below), whose sum is σ = 46470960. Its totient is φ = 14990976.
The previous prime is 30479023. The next prime is 30479041. The reversal of 30479038 is 83097403.
It is a junction number, because it is equal to n+sod(n) for n = 30478994 and 30479012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35053 + ... + 35911.
It is an arithmetic number, because the mean of its divisors is an integer number (2904435).
Almost surely, 230479038 is an apocalyptic number.
30479038 is a deficient number, since it is larger than the sum of its proper divisors (15991922).
30479038 is a wasteful number, since it uses less digits than its factorization.
30479038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1131.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 30479038 is about 5520.7823720918. The cubic root of 30479038 is about 312.3683942902.
The spelling of 30479038 in words is "thirty million, four hundred seventy-nine thousand, thirty-eight".
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