Base | Representation |
---|---|
bin | 1010100111000… |
… | …01011110011011 |
3 | 20012110212102220 |
4 | 11103201132123 |
5 | 140241111211 |
6 | 12455355123 |
7 | 2130343452 |
oct | 523413633 |
9 | 205425386 |
10 | 89003931 |
11 | 46270a75 |
12 | 25982aa3 |
13 | 15593763 |
14 | bb6bb99 |
15 | 7c31806 |
hex | 54e179b |
89003931 has 4 divisors (see below), whose sum is σ = 118671912. Its totient is φ = 59335952.
The previous prime is 89003921. The next prime is 89003933. The reversal of 89003931 is 13930098.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 89003931 - 29 = 89003419 is a prime.
It is a super-2 number, since 2×890039312 = 15843399466905522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 89003892 and 89003901.
It is not an unprimeable number, because it can be changed into a prime (89003933) 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, 14833986 + ... + 14833991.
It is an arithmetic number, because the mean of its divisors is an integer number (29667978).
Almost surely, 289003931 is an apocalyptic number.
89003931 is a deficient number, since it is larger than the sum of its proper divisors (29667981).
89003931 is a wasteful number, since it uses less digits than its factorization.
89003931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29667980.
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 89003931 is about 9434.1894723394. The cubic root of 89003931 is about 446.4810828373.
The spelling of 89003931 in words is "eighty-nine million, three thousand, nine hundred thirty-one".
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