Base | Representation |
---|---|
bin | 1010110101111… |
… | …11010010110110 |
3 | 20100011022010211 |
4 | 11122333102312 |
5 | 141241223303 |
6 | 13005340034 |
7 | 2153104435 |
oct | 532772266 |
9 | 210138124 |
10 | 90961078 |
11 | 4738844a |
12 | 2656761a |
13 | 15aca530 |
14 | c11b11c |
15 | 7ebb66d |
hex | 56bf4b6 |
90961078 has 8 divisors (see below), whose sum is σ = 146937168. Its totient is φ = 41982024.
The previous prime is 90961069. The next prime is 90961147. The reversal of 90961078 is 87016909.
90961078 is nontrivially palindromic in base 14.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 90961078.
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, 1749226 + ... + 1749277.
It is an arithmetic number, because the mean of its divisors is an integer number (18367146).
Almost surely, 290961078 is an apocalyptic number.
90961078 is a deficient number, since it is larger than the sum of its proper divisors (55976090).
90961078 is a wasteful number, since it uses less digits than its factorization.
90961078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3498518.
The product of its (nonzero) digits is 27216, while the sum is 40.
The square root of 90961078 is about 9537.3517288606. The cubic root of 90961078 is about 449.7300075888.
The spelling of 90961078 in words is "ninety million, nine hundred sixty-one thousand, seventy-eight".
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