Base | Representation |
---|---|
bin | 1010110001011… |
… | …10110101010000 |
3 | 20022001020110100 |
4 | 11120232311100 |
5 | 141113304420 |
6 | 12544532400 |
7 | 2145061344 |
oct | 530566520 |
9 | 208036410 |
10 | 90369360 |
11 | 47013924 |
12 | 26321100 |
13 | 159510c3 |
14 | c005624 |
15 | 7e01190 |
hex | 562ed50 |
90369360 has 120 divisors (see below), whose sum is σ = 305219304. Its totient is φ = 23961600.
The previous prime is 90369353. The next prime is 90369361. The reversal of 90369360 is 6396309.
It can be written as a sum of positive squares in 4 ways, for example, as 8503056 + 81866304 = 2916^2 + 9048^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90369361) 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, 225160 + ... + 225560.
Almost surely, 290369360 is an apocalyptic number.
90369360 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90369360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152609652).
90369360 is an abundant number, since it is smaller than the sum of its proper divisors (214849944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90369360 is a wasteful number, since it uses less digits than its factorization.
90369360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 733 (or 724 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 36.
The square root of 90369360 is about 9506.2800295384. The cubic root of 90369360 is about 448.7526940711.
The spelling of 90369360 in words is "ninety million, three hundred sixty-nine thousand, three hundred sixty".
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