Base | Representation |
---|---|
bin | 1010101001000… |
… | …11001001001111 |
3 | 20012222112102010 |
4 | 11110203021033 |
5 | 140323213121 |
6 | 12505232303 |
7 | 2132543610 |
oct | 524431117 |
9 | 205875363 |
10 | 89272911 |
11 | 46435072 |
12 | 25a92693 |
13 | 15659010 |
14 | bbdbc07 |
15 | 7c86376 |
hex | 552324f |
89272911 has 16 divisors (see below), whose sum is σ = 146499584. Its totient is φ = 47088864.
The previous prime is 89272879. The next prime is 89272957. The reversal of 89272911 is 11927298.
It is not a de Polignac number, because 89272911 - 25 = 89272879 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 89272911.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89271911) 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 15 ways as a sum of consecutive naturals, for example, 163231 + ... + 163776.
It is an arithmetic number, because the mean of its divisors is an integer number (9156224).
Almost surely, 289272911 is an apocalyptic number.
89272911 is a deficient number, since it is larger than the sum of its proper divisors (57226673).
89272911 is a wasteful number, since it uses less digits than its factorization.
89272911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327030.
The product of its digits is 18144, while the sum is 39.
The square root of 89272911 is about 9448.4343147423. The cubic root of 89272911 is about 446.9304027093.
The spelling of 89272911 in words is "eighty-nine million, two hundred seventy-two thousand, nine hundred eleven".
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