Base | Representation |
---|---|
bin | 1010101111001… |
… | …01000110111010 |
3 | 20021110220020010 |
4 | 11113211012322 |
5 | 141024124021 |
6 | 12534242350 |
7 | 2142363063 |
oct | 527450672 |
9 | 207426203 |
10 | 90067386 |
11 | 46927a62 |
12 | 261b63b6 |
13 | 15876816 |
14 | bd6756a |
15 | 7d91976 |
hex | 55e51ba |
90067386 has 8 divisors (see below), whose sum is σ = 180134784. Its totient is φ = 30022460.
The previous prime is 90067349. The next prime is 90067421. The reversal of 90067386 is 68376009.
It is a sphenic number, since it is the product of 3 distinct primes.
90067386 is an admirable number.
It is a super-2 number, since 2×900673862 = 16224268041745992, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505610 + ... + 7505621.
It is an arithmetic number, because the mean of its divisors is an integer number (22516848).
Almost surely, 290067386 is an apocalyptic number.
90067386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90067386 is a wasteful number, since it uses less digits than its factorization.
90067386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15011236.
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 90067386 is about 9490.3838700023. The cubic root of 90067386 is about 448.2522926569.
It can be divided in two parts, 900 and 67386, that added together give a palindrome (68286).
The spelling of 90067386 in words is "ninety million, sixty-seven thousand, three hundred eighty-six".
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