Base | Representation |
---|---|
bin | 111011001001111… |
… | …111011100000001 |
3 | 2120011111221120221 |
4 | 323021333130001 |
5 | 4013033144011 |
6 | 242252103041 |
7 | 33410616526 |
oct | 7311773401 |
9 | 2504457527 |
10 | 992474881 |
11 | 46a254082 |
12 | 238464a81 |
13 | 12a803c58 |
14 | 95b4d14d |
15 | 5c1e6971 |
hex | 3b27f701 |
992474881 has 8 divisors (see below), whose sum is σ = 995632704. Its totient is φ = 989323440.
The previous prime is 992474851. The next prime is 992474887. The reversal of 992474881 is 188474299.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 992474881 - 29 = 992474369 is a prime.
It is a super-2 number, since 2×9924748812 = 1970012778831928322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (992474887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609190 + ... + 610816.
It is an arithmetic number, because the mean of its divisors is an integer number (124454088).
Almost surely, 2992474881 is an apocalyptic number.
It is an amenable number.
992474881 is a deficient number, since it is larger than the sum of its proper divisors (3157823).
992474881 is a wasteful number, since it uses less digits than its factorization.
992474881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3191.
The product of its digits is 1161216, while the sum is 52.
The square root of 992474881 is about 31503.5693374576. The cubic root of 992474881 is about 997.4853086280.
The spelling of 992474881 in words is "nine hundred ninety-two million, four hundred seventy-four thousand, eight hundred eighty-one".
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