Base | Representation |
---|---|
bin | 1010100010000… |
… | …10110011000110 |
3 | 20011020211220000 |
4 | 11101002303012 |
5 | 140104311430 |
6 | 12433422130 |
7 | 2121665544 |
oct | 521026306 |
9 | 204224800 |
10 | 88353990 |
11 | 4596772a |
12 | 2570a946 |
13 | 153c698a |
14 | ba3cd94 |
15 | 7b53e60 |
hex | 5442cc6 |
88353990 has 80 divisors (see below), whose sum is σ = 250121520. Its totient is φ = 22317120.
The previous prime is 88353989. The next prime is 88353997. The reversal of 88353990 is 9935388.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88353997) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12520 + ... + 18260.
It is an arithmetic number, because the mean of its divisors is an integer number (3126519).
Almost surely, 288353990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88353990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125060760).
88353990 is an abundant number, since it is smaller than the sum of its proper divisors (161767530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88353990 is a wasteful number, since it uses less digits than its factorization.
88353990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5779 (or 5770 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 88353990 is about 9399.6803137128. The cubic root of 88353990 is about 445.3916343576.
The spelling of 88353990 in words is "eighty-eight million, three hundred fifty-three thousand, nine hundred ninety".
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