Base | Representation |
---|---|
bin | 1010110001011… |
… | …01010011000110 |
3 | 20022000220211200 |
4 | 11120231103012 |
5 | 141113104303 |
6 | 12544443330 |
7 | 2145034131 |
oct | 530552306 |
9 | 208026750 |
10 | 90363078 |
11 | 4700a133 |
12 | 26319546 |
13 | 1594b2a0 |
14 | c003218 |
15 | 7dee3a3 |
hex | 562d4c6 |
90363078 has 48 divisors (see below), whose sum is σ = 217666176. Its totient is φ = 26904960.
The previous prime is 90363073. The next prime is 90363079. The reversal of 90363078 is 87036309.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90363073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026 + ... + 13482.
It is an arithmetic number, because the mean of its divisors is an integer number (4534712).
Almost surely, 290363078 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90363078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108833088).
90363078 is an abundant number, since it is smaller than the sum of its proper divisors (127303098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90363078 is a wasteful number, since it uses less digits than its factorization.
90363078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12509 (or 12506 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 90363078 is about 9505.9496106386. The cubic root of 90363078 is about 448.7422955255.
The spelling of 90363078 in words is "ninety million, three hundred sixty-three thousand, seventy-eight".
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