Base | Representation |
---|---|
bin | 111010100001011… |
… | …010010010011011 |
3 | 2112102111111002200 |
4 | 322201122102123 |
5 | 4002322240310 |
6 | 241232101243 |
7 | 33221322261 |
oct | 7241322233 |
9 | 2472444080 |
10 | 981836955 |
11 | 464248700 |
12 | 234994823 |
13 | 12854ac18 |
14 | 94580431 |
15 | 5b2e49c0 |
hex | 3a85a49b |
981836955 has 72 divisors (see below), whose sum is σ = 1980853056. Its totient is φ = 447997440.
The previous prime is 981836923. The next prime is 981836959. The reversal of 981836955 is 559638189.
It is a happy number.
981836955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 981836955 - 25 = 981836923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (981836959) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87262 + ... + 97868.
It is an arithmetic number, because the mean of its divisors is an integer number (27511848).
Almost surely, 2981836955 is an apocalyptic number.
981836955 is an abundant number, since it is smaller than the sum of its proper divisors (999016101).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981836955 is a wasteful number, since it uses less digits than its factorization.
981836955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10657 (or 10643 counting only the distinct ones).
The product of its digits is 2332800, while the sum is 54.
The square root of 981836955 is about 31334.2776364798. The cubic root of 981836955 is about 993.9086221222.
The spelling of 981836955 in words is "nine hundred eighty-one million, eight hundred thirty-six thousand, nine hundred fifty-five".
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