Base | Representation |
---|---|
bin | 1010101111011… |
… | …11000110111001 |
3 | 20021112222102010 |
4 | 11113233012321 |
5 | 141031431340 |
6 | 12535200133 |
7 | 2142623355 |
oct | 527570671 |
9 | 207488363 |
10 | 90108345 |
11 | 46955808 |
12 | 26216049 |
13 | 1588c362 |
14 | bd78465 |
15 | 7d9db80 |
hex | 55ef1b9 |
90108345 has 8 divisors (see below), whose sum is σ = 144173376. Its totient is φ = 48057776.
The previous prime is 90108329. The next prime is 90108373. The reversal of 90108345 is 54380109.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90108345 - 24 = 90108329 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 3003597 + ... + 3003626.
It is an arithmetic number, because the mean of its divisors is an integer number (18021672).
Almost surely, 290108345 is an apocalyptic number.
It is an amenable number.
90108345 is a deficient number, since it is larger than the sum of its proper divisors (54065031).
90108345 is a wasteful number, since it uses less digits than its factorization.
90108345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6007231.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 90108345 is about 9492.5415458664. The cubic root of 90108345 is about 448.3202313564.
The spelling of 90108345 in words is "ninety million, one hundred eight thousand, three hundred forty-five".
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