Base | Representation |
---|---|
bin | 111010100111… |
… | …1100011111001 |
3 | 2010211110220222 |
4 | 1311033203321 |
5 | 30332001320 |
6 | 3014425425 |
7 | 522145130 |
oct | 165174371 |
9 | 63743828 |
10 | 30734585 |
11 | 16392392 |
12 | a362275 |
13 | 64a145b |
14 | 4120917 |
15 | 2a71825 |
hex | 1d4f8f9 |
30734585 has 8 divisors (see below), whose sum is σ = 42150336. Its totient is φ = 21075120.
The previous prime is 30734579. The next prime is 30734611. The reversal of 30734585 is 58543703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30734585 - 210 = 30733561 is a prime.
It is a super-2 number, since 2×307345852 = 1889229430244450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 878131 = 30734585 / (3 + 0 + 7 + 3 + 4 + 5 + 8 + 5).
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439031 + ... + 439100.
It is an arithmetic number, because the mean of its divisors is an integer number (5268792).
Almost surely, 230734585 is an apocalyptic number.
30734585 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30734585 is a deficient number, since it is larger than the sum of its proper divisors (11415751).
30734585 is an equidigital number, since it uses as much as digits as its factorization.
30734585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 878143.
The product of its (nonzero) digits is 50400, while the sum is 35.
The square root of 30734585 is about 5543.8781552267. The cubic root of 30734585 is about 313.2389679868.
The spelling of 30734585 in words is "thirty million, seven hundred thirty-four thousand, five hundred eighty-five".
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