Base | Representation |
---|---|
bin | 111010100000000… |
… | …011010110000000 |
3 | 2112101211101120221 |
4 | 322200003112000 |
5 | 4002224341312 |
6 | 241220312424 |
7 | 33215310103 |
oct | 7240032600 |
9 | 2471741527 |
10 | 981480832 |
11 | 464025092 |
12 | 234842714 |
13 | 128454ab7 |
14 | 944ca73a |
15 | 5b274207 |
hex | 3a803580 |
981480832 has 96 divisors (see below), whose sum is σ = 2066234400. Its totient is φ = 464256000.
The previous prime is 981480821. The next prime is 981480881. The reversal of 981480832 is 238084189.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9717582 + ... + 9717682.
It is an arithmetic number, because the mean of its divisors is an integer number (21523275).
Almost surely, 2981480832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 981480832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033117200).
981480832 is an abundant number, since it is smaller than the sum of its proper divisors (1084753568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981480832 is a wasteful number, since it uses less digits than its factorization.
981480832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256 (or 213 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 43.
The square root of 981480832 is about 31328.5944785271. The cubic root of 981480832 is about 993.7884404154.
The spelling of 981480832 in words is "nine hundred eighty-one million, four hundred eighty thousand, eight hundred thirty-two".
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