Base | Representation |
---|---|
bin | 1010101110011… |
… | …01110111110011 |
3 | 20021022001200010 |
4 | 11113031313303 |
5 | 141013102321 |
6 | 12532230003 |
7 | 2141515440 |
oct | 527156763 |
9 | 207261603 |
10 | 89972211 |
11 | 468724aa |
12 | 2616b303 |
13 | 158423c4 |
14 | bd409c7 |
15 | 7d73676 |
hex | 55cddf3 |
89972211 has 32 divisors (see below), whose sum is σ = 148566528. Its totient is φ = 47255040.
The previous prime is 89972191. The next prime is 89972219. The reversal of 89972211 is 11227998.
It is not a de Polignac number, because 89972211 - 222 = 85777907 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 89972211.
It is not an unprimeable number, because it can be changed into a prime (89972219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12421 + ... + 18281.
It is an arithmetic number, because the mean of its divisors is an integer number (4642704).
Almost surely, 289972211 is an apocalyptic number.
89972211 is a deficient number, since it is larger than the sum of its proper divisors (58594317).
89972211 is a wasteful number, since it uses less digits than its factorization.
89972211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5931.
The product of its digits is 18144, while the sum is 39.
The square root of 89972211 is about 9485.3682585338. The cubic root of 89972211 is about 448.0943462942.
The spelling of 89972211 in words is "eighty-nine million, nine hundred seventy-two thousand, two hundred eleven".
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