Base | Representation |
---|---|
bin | 111010001011… |
… | …0110000111010 |
3 | 2010101122210201 |
4 | 1310112300322 |
5 | 30302030241 |
6 | 3005432414 |
7 | 520155646 |
oct | 164266072 |
9 | 63348721 |
10 | 30501946 |
11 | 16243622 |
12 | a26b70a |
13 | 641c5b7 |
14 | 409dc26 |
15 | 2a27931 |
hex | 1d16c3a |
30501946 has 8 divisors (see below), whose sum is σ = 45793620. Its totient is φ = 15237408.
The previous prime is 30501931. The next prime is 30501953. The reversal of 30501946 is 64910503.
It can be written as a sum of positive squares in 2 ways, for example, as 28783225 + 1718721 = 5365^2 + 1311^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 3691 + ... + 8638.
Almost surely, 230501946 is an apocalyptic number.
30501946 is a deficient number, since it is larger than the sum of its proper divisors (15291674).
30501946 is a wasteful number, since it uses less digits than its factorization.
30501946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13568.
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 30501946 is about 5522.8566883453. The cubic root of 30501946 is about 312.4466332335.
The spelling of 30501946 in words is "thirty million, five hundred one thousand, nine hundred forty-six".
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