Base | Representation |
---|---|
bin | 111001011001… |
… | …0111001011001 |
3 | 2002121212200110 |
4 | 1302302321121 |
5 | 30200433024 |
6 | 2552554533 |
7 | 513533241 |
oct | 162627131 |
9 | 62555613 |
10 | 30092889 |
11 | 15a94262 |
12 | a0b2a49 |
13 | 6308358 |
14 | 3dd4b21 |
15 | 2996629 |
hex | 1cb2e59 |
30092889 has 8 divisors (see below), whose sum is σ = 40149472. Its totient is φ = 20049120.
The previous prime is 30092869. The next prime is 30092911. The reversal of 30092889 is 98829003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30092889 - 25 = 30092857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30092869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6357 + ... + 10029.
It is an arithmetic number, because the mean of its divisors is an integer number (5018684).
Almost surely, 230092889 is an apocalyptic number.
It is an amenable number.
30092889 is a deficient number, since it is larger than the sum of its proper divisors (10056583).
30092889 is a wasteful number, since it uses less digits than its factorization.
30092889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6407.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 30092889 is about 5485.6985881472. The cubic root of 30092889 is about 311.0436176387.
The spelling of 30092889 in words is "thirty million, ninety-two thousand, eight hundred eighty-nine".
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