Base | Representation |
---|---|
bin | 1010110101111… |
… | …01110010111111 |
3 | 20100010222201121 |
4 | 11122331302333 |
5 | 141241024233 |
6 | 13005251411 |
7 | 2153050522 |
oct | 532756277 |
9 | 210128647 |
10 | 90954943 |
11 | 47383882 |
12 | 26563b67 |
13 | 15ac77c1 |
14 | c118bb9 |
15 | 7eb992d |
hex | 56bdcbf |
90954943 has 8 divisors (see below), whose sum is σ = 93497328. Its totient is φ = 88443264.
The previous prime is 90954937. The next prime is 90954959. The reversal of 90954943 is 34945909.
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 90954943 - 25 = 90954911 is a prime.
It is a super-2 number, since 2×909549432 = 16545603312266498, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 90954943.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90954973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605 + ... + 13582.
It is an arithmetic number, because the mean of its divisors is an integer number (11687166).
Almost surely, 290954943 is an apocalyptic number.
90954943 is a deficient number, since it is larger than the sum of its proper divisors (2542385).
90954943 is a wasteful number, since it uses less digits than its factorization.
90954943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15353.
The product of its (nonzero) digits is 174960, while the sum is 43.
The square root of 90954943 is about 9537.0300932733. The cubic root of 90954943 is about 449.7198964670.
The spelling of 90954943 in words is "ninety million, nine hundred fifty-four thousand, nine hundred forty-three".
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