Base | Representation |
---|---|
bin | 111010100101011… |
… | …011011111111001 |
3 | 2112111111000021110 |
4 | 322211123133321 |
5 | 4003104443424 |
6 | 241310430533 |
7 | 33233300640 |
oct | 7245333771 |
9 | 2474430243 |
10 | 982890489 |
11 | 4648a8199 |
12 | 235202449 |
13 | 128829609 |
14 | 94776357 |
15 | 5b451c29 |
hex | 3a95b7f9 |
982890489 has 32 divisors (see below), whose sum is σ = 1522381824. Its totient is φ = 552484800.
The previous prime is 982890473. The next prime is 982890509. The reversal of 982890489 is 984098289.
It is not a de Polignac number, because 982890489 - 24 = 982890473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (982890409) 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, 344302 + ... + 347144.
It is an arithmetic number, because the mean of its divisors is an integer number (47574432).
Almost surely, 2982890489 is an apocalyptic number.
It is an amenable number.
982890489 is a deficient number, since it is larger than the sum of its proper divisors (539491335).
982890489 is a wasteful number, since it uses less digits than its factorization.
982890489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3117.
The product of its (nonzero) digits is 2985984, while the sum is 57.
The square root of 982890489 is about 31351.0843353145. The cubic root of 982890489 is about 994.2639907732.
The spelling of 982890489 in words is "nine hundred eighty-two million, eight hundred ninety thousand, four hundred eighty-nine".
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