Base | Representation |
---|---|
bin | 101010000001010001… |
… | …1101111111111011110 |
3 | 22121220210021201012200 |
4 | 1110002203233333132 |
5 | 2434301213124022 |
6 | 105242053112330 |
7 | 6343106610132 |
oct | 1240243577736 |
9 | 277823251180 |
10 | 90237239262 |
11 | 352a66294a5 |
12 | 155a43286a6 |
13 | 8681017641 |
14 | 45206153c2 |
15 | 25320debac |
hex | 15028effde |
90237239262 has 24 divisors (see below), whose sum is σ = 195568573824. Its totient is φ = 30070686624.
The previous prime is 90237239243. The next prime is 90237239263. The reversal of 90237239262 is 26293273209.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90237239263) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632958 + ... + 762305.
It is an arithmetic number, because the mean of its divisors is an integer number (8148690576).
Almost surely, 290237239262 is an apocalyptic number.
90237239262 is an abundant number, since it is smaller than the sum of its proper divisors (105331334562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90237239262 is a wasteful number, since it uses less digits than its factorization.
90237239262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1398864 (or 1398861 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 45.
The spelling of 90237239262 in words is "ninety billion, two hundred thirty-seven million, two hundred thirty-nine thousand, two hundred sixty-two".
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