Base | Representation |
---|---|
bin | 11101111100101000100 |
3 | 1211212010001 |
4 | 3233211010 |
5 | 222400231 |
6 | 33011044 |
7 | 11224660 |
oct | 3574504 |
9 | 1755101 |
10 | 981316 |
11 | 610306 |
12 | 3b3a84 |
13 | 28487b |
14 | 1b78a0 |
15 | 145b61 |
hex | ef944 |
981316 has 24 divisors (see below), whose sum is σ = 1987776. Its totient is φ = 415200.
The previous prime is 981311. The next prime is 981319. The reversal of 981316 is 613189.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (981311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655 + ... + 3001.
It is an arithmetic number, because the mean of its divisors is an integer number (82824).
2981316 is an apocalyptic number.
It is an amenable number.
981316 is an abundant number, since it is smaller than the sum of its proper divisors (1006460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981316 is a wasteful number, since it uses less digits than its factorization.
981316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459 (or 457 counting only the distinct ones).
The product of its digits is 1296, while the sum is 28.
The square root of 981316 is about 990.6139510425. The cubic root of 981316 is about 99.3732804312.
The spelling of 981316 in words is "nine hundred eighty-one thousand, three hundred sixteen".
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