Base | Representation |
---|---|
bin | 110101000011111… |
… | …000001010101000 |
3 | 2022001002022002100 |
4 | 311003320022220 |
5 | 3310343141221 |
6 | 224200133400 |
7 | 31026436221 |
oct | 6503701250 |
9 | 2261068070 |
10 | 890208936 |
11 | 417555171 |
12 | 20a167260 |
13 | 112578c66 |
14 | 8632c248 |
15 | 53245926 |
hex | 350f82a8 |
890208936 has 48 divisors (see below), whose sum is σ = 2420414100. Its totient is φ = 295575552.
The previous prime is 890208923. The next prime is 890208941. The reversal of 890208936 is 639802098.
It can be written as a sum of positive squares in 2 ways, for example, as 780084900 + 110124036 = 27930^2 + 10494^2 .
It is a junction number, because it is equal to n+sod(n) for n = 890208891 and 890208900.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5551 + ... + 42558.
Almost surely, 2890208936 is an apocalyptic number.
It is an amenable number.
890208936 is an abundant number, since it is smaller than the sum of its proper divisors (1530205164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
890208936 is a wasteful number, since it uses less digits than its factorization.
890208936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48378 (or 48371 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 890208936 is about 29836.3693501740. The cubic root of 890208936 is about 961.9754374689.
The spelling of 890208936 in words is "eight hundred ninety million, two hundred eight thousand, nine hundred thirty-six".
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