Base | Representation |
---|---|
bin | 111010111010… |
… | …1010101111110 |
3 | 2011010100012201 |
4 | 1311311111332 |
5 | 30401424332 |
6 | 3022022114 |
7 | 523361251 |
oct | 165652576 |
9 | 64110181 |
10 | 30889342 |
11 | 16488690 |
12 | a41793a |
13 | 6526a23 |
14 | 4161098 |
15 | 2aa25e7 |
hex | 1d7557e |
30889342 has 8 divisors (see below), whose sum is σ = 50546232. Its totient is φ = 14040600.
The previous prime is 30889297. The next prime is 30889367. The reversal of 30889342 is 24398803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702009 + ... + 702052.
It is an arithmetic number, because the mean of its divisors is an integer number (6318279).
Almost surely, 230889342 is an apocalyptic number.
30889342 is a deficient number, since it is larger than the sum of its proper divisors (19656890).
30889342 is a wasteful number, since it uses less digits than its factorization.
30889342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404074.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 30889342 is about 5557.8180970593. The cubic root of 30889342 is about 313.7638358369.
The spelling of 30889342 in words is "thirty million, eight hundred eighty-nine thousand, three hundred forty-two".
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