Base | Representation |
---|---|
bin | 111010011110100… |
… | …100110111111110 |
3 | 2112101002201210121 |
4 | 322132210313332 |
5 | 4002130001021 |
6 | 241204125154 |
7 | 33212106013 |
oct | 7236446776 |
9 | 2471081717 |
10 | 981093886 |
11 | 4638903a3 |
12 | 2346967ba |
13 | 12834a936 |
14 | 9442970a |
15 | 5b1e9741 |
hex | 3a7a4dfe |
981093886 has 8 divisors (see below), whose sum is σ = 1502952480. Its totient is φ = 480109728.
The previous prime is 981093881. The next prime is 981093941. The reversal of 981093886 is 688390189.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (981093881) 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, 5218491 + ... + 5218678.
It is an arithmetic number, because the mean of its divisors is an integer number (187869060).
Almost surely, 2981093886 is an apocalyptic number.
981093886 is a deficient number, since it is larger than the sum of its proper divisors (521858594).
981093886 is a wasteful number, since it uses less digits than its factorization.
981093886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10437218.
The product of its (nonzero) digits is 746496, while the sum is 52.
The square root of 981093886 is about 31322.4182655171. The cubic root of 981093886 is about 993.6578238357.
The spelling of 981093886 in words is "nine hundred eighty-one million, ninety-three thousand, eight hundred eighty-six".
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