Base | Representation |
---|---|
bin | 1010101000100… |
… | …01101001011000 |
3 | 20012211220002122 |
4 | 11110101221120 |
5 | 140313414430 |
6 | 12503520412 |
7 | 2132124632 |
oct | 524215130 |
9 | 205756078 |
10 | 89201240 |
11 | 46396237 |
12 | 25a59108 |
13 | 156324cb |
14 | bbbda52 |
15 | 7c6eee5 |
hex | 5511a58 |
89201240 has 64 divisors (see below), whose sum is σ = 207900000. Its totient is φ = 34421760.
The previous prime is 89201237. The next prime is 89201263. The reversal of 89201240 is 4210298.
It is a super-2 number, since 2×892012402 = 15913722435075200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 178511 + ... + 179009.
Almost surely, 289201240 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89201240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103950000).
89201240 is an abundant number, since it is smaller than the sum of its proper divisors (118698760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89201240 is a wasteful number, since it uses less digits than its factorization.
89201240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660 (or 656 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 89201240 is about 9444.6408084162. The cubic root of 89201240 is about 446.8107675948.
The spelling of 89201240 in words is "eighty-nine million, two hundred one thousand, two hundred forty".
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