Base | Representation |
---|---|
bin | 111010001011… |
… | …0110000101110 |
3 | 2010101122210021 |
4 | 1310112300232 |
5 | 30302030214 |
6 | 3005432354 |
7 | 520155631 |
oct | 164266056 |
9 | 63348707 |
10 | 30501934 |
11 | 16243611 |
12 | a26b6ba |
13 | 641c5a8 |
14 | 409dc18 |
15 | 2a27924 |
hex | 1d16c2e |
30501934 has 8 divisors (see below), whose sum is σ = 45782208. Its totient is φ = 15241200.
The previous prime is 30501931. The next prime is 30501953. The reversal of 30501934 is 43910503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30501899 and 30501908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30501931) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 7 + ... + 7810.
It is an arithmetic number, because the mean of its divisors is an integer number (5722776).
Almost surely, 230501934 is an apocalyptic number.
30501934 is a deficient number, since it is larger than the sum of its proper divisors (15280274).
30501934 is a wasteful number, since it uses less digits than its factorization.
30501934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9770.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 30501934 is about 5522.8556019509. The cubic root of 30501934 is about 312.4465922595.
The spelling of 30501934 in words is "thirty million, five hundred one thousand, nine hundred thirty-four".
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