Base | Representation |
---|---|
bin | 1010110000001… |
… | …10111011011010 |
3 | 20021201221020210 |
4 | 11120012323122 |
5 | 141043042124 |
6 | 12541231550 |
7 | 2143511001 |
oct | 530067332 |
9 | 207657223 |
10 | 90205914 |
11 | 46a12047 |
12 | 262625b6 |
13 | 158c48a6 |
14 | bda1c38 |
15 | 7dbca29 |
hex | 5606eda |
90205914 has 8 divisors (see below), whose sum is σ = 180411840. Its totient is φ = 30068636.
The previous prime is 90205903. The next prime is 90205933. The reversal of 90205914 is 41950209.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
90205914 is an admirable number.
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, 7517154 + ... + 7517165.
It is an arithmetic number, because the mean of its divisors is an integer number (22551480).
Almost surely, 290205914 is an apocalyptic number.
90205914 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.
90205914 is a wasteful number, since it uses less digits than its factorization.
90205914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15034324.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 90205914 is about 9497.6794007800. The cubic root of 90205914 is about 448.4819861794.
It can be divided in two parts, 90205 and 914, that added together give a palindrome (91119).
The spelling of 90205914 in words is "ninety million, two hundred five thousand, nine hundred fourteen".
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