Base | Representation |
---|---|
bin | 111001010100… |
… | …1101000101110 |
3 | 2002112221122121 |
4 | 1302221220232 |
5 | 30143224313 |
6 | 2552103154 |
7 | 513314533 |
oct | 162515056 |
9 | 62487577 |
10 | 30054958 |
11 | 15a6880a |
12 | a094aba |
13 | 62c3ccb |
14 | 3dc4d8a |
15 | 298a28d |
hex | 1ca9a2e |
30054958 has 4 divisors (see below), whose sum is σ = 45082440. Its totient is φ = 15027478.
The previous prime is 30054943. The next prime is 30054971. The reversal of 30054958 is 85945003.
It is a semiprime because it is the product of two primes.
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 as a sum of consecutive naturals, namely, 7513738 + ... + 7513741.
It is an arithmetic number, because the mean of its divisors is an integer number (11270610).
Almost surely, 230054958 is an apocalyptic number.
30054958 is a deficient number, since it is larger than the sum of its proper divisors (15027482).
30054958 is a wasteful number, since it uses less digits than its factorization.
30054958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15027481.
The product of its (nonzero) digits is 21600, while the sum is 34.
The square root of 30054958 is about 5482.2402355242. The cubic root of 30054958 is about 310.9128762753.
The spelling of 30054958 in words is "thirty million, fifty-four thousand, nine hundred fifty-eight".
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