Base | Representation |
---|---|
bin | 1010101101010… |
… | …00011101000110 |
3 | 20021000021102210 |
4 | 11112220131012 |
5 | 140443201300 |
6 | 12525044250 |
7 | 2140306554 |
oct | 526503506 |
9 | 207007383 |
10 | 89818950 |
11 | 46778341 |
12 | 260b6686 |
13 | 157ba710 |
14 | bd00bd4 |
15 | 7d43050 |
hex | 55a8746 |
89818950 has 48 divisors (see below), whose sum is σ = 239890896. Its totient is φ = 22108800.
The previous prime is 89818931. The next prime is 89818951. The reversal of 89818950 is 5981898.
It is a self number, because there is not a number n which added to its sum of digits gives 89818950.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89818951) 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, 21081 + ... + 24980.
It is an arithmetic number, because the mean of its divisors is an integer number (4997727).
Almost surely, 289818950 is an apocalyptic number.
89818950 is an abundant number, since it is smaller than the sum of its proper divisors (150071946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89818950 is a wasteful number, since it uses less digits than its factorization.
89818950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46089 (or 46084 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 48.
The square root of 89818950 is about 9477.2860039148. The cubic root of 89818950 is about 447.8397698413.
The spelling of 89818950 in words is "eighty-nine million, eight hundred eighteen thousand, nine hundred fifty".
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