Base | Representation |
---|---|
bin | 1010110110001… |
… | …00011101110100 |
3 | 20100012101012100 |
4 | 11123010131310 |
5 | 141242413020 |
6 | 13010022100 |
7 | 2153223255 |
oct | 533043564 |
9 | 210171170 |
10 | 90982260 |
11 | 473a2356 |
12 | 26577930 |
13 | 15b07075 |
14 | c124b2c |
15 | 7ec2a90 |
hex | 56c4774 |
90982260 has 144 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 22332672.
The previous prime is 90982253. The next prime is 90982261. The reversal of 90982260 is 6228909.
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 (90982261) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126181 + ... + 126899.
It is an arithmetic number, because the mean of its divisors is an integer number (2074800).
Almost surely, 290982260 is an apocalyptic number.
90982260 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 90982260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).
90982260 is an abundant number, since it is smaller than the sum of its proper divisors (207788940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90982260 is a wasteful number, since it uses less digits than its factorization.
90982260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790 (or 785 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 90982260 is about 9538.4621401985. The cubic root of 90982260 is about 449.7649142466.
The spelling of 90982260 in words is "ninety million, nine hundred eighty-two thousand, two hundred sixty".
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