Base | Representation |
---|---|
bin | 1010101011001… |
… | …11000000010110 |
3 | 20020111122200220 |
4 | 11111213000112 |
5 | 140411111440 |
6 | 12515215210 |
7 | 2135112153 |
oct | 525470026 |
9 | 206448626 |
10 | 89550870 |
11 | 46604992 |
12 | 25ba7506 |
13 | 157256a6 |
14 | bc7122a |
15 | 7cdd8d0 |
hex | 5567016 |
89550870 has 16 divisors (see below), whose sum is σ = 214922160. Its totient is φ = 23880224.
The previous prime is 89550863. The next prime is 89550871. The reversal of 89550870 is 7805598.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89550871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492485 + ... + 1492544.
It is an arithmetic number, because the mean of its divisors is an integer number (13432635).
Almost surely, 289550870 is an apocalyptic number.
89550870 is an abundant number, since it is smaller than the sum of its proper divisors (125371290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89550870 is a wasteful number, since it uses less digits than its factorization.
89550870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2985039.
The product of its (nonzero) digits is 100800, while the sum is 42.
The square root of 89550870 is about 9463.1321453312. The cubic root of 89550870 is about 447.3937743975.
The spelling of 89550870 in words is "eighty-nine million, five hundred fifty thousand, eight hundred seventy".
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