Base | Representation |
---|---|
bin | 1010101011101… |
… | …01111011000000 |
3 | 20020121202111210 |
4 | 11111311323000 |
5 | 140420040333 |
6 | 12520410120 |
7 | 2135455245 |
oct | 525657300 |
9 | 206552453 |
10 | 89611968 |
11 | 46646886 |
12 | 26016940 |
13 | 15747444 |
14 | bc895cc |
15 | 7d01a63 |
hex | 5575ec0 |
89611968 has 28 divisors (see below), whose sum is σ = 237098840. Its totient is φ = 29870592.
The previous prime is 89611967. The next prime is 89611987. The reversal of 89611968 is 86911698.
It is a Harshad number since it is a multiple of its sum of digits (48).
89611968 is a strobogrammatic number because it is the same when read upside-down.
It is not an unprimeable number, because it can be changed into a prime (89611967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233173 + ... + 233556.
Almost surely, 289611968 is an apocalyptic number.
It is an amenable number.
89611968 is an abundant number, since it is smaller than the sum of its proper divisors (147486872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89611968 is a wasteful number, since it uses less digits than its factorization.
89611968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466744 (or 466734 counting only the distinct ones).
The product of its digits is 186624, while the sum is 48.
The square root of 89611968 is about 9466.3598072332. The cubic root of 89611968 is about 447.4954992629.
The spelling of 89611968 in words is "eighty-nine million, six hundred eleven thousand, nine hundred sixty-eight".
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