Base | Representation |
---|---|
bin | 110101111110111… |
… | …011101111000000 |
3 | 2100010012211011212 |
4 | 311332323233000 |
5 | 3323324040143 |
6 | 225512025252 |
7 | 31305144524 |
oct | 6576735700 |
9 | 2303184155 |
10 | 905690048 |
11 | 42526937a |
12 | 213392228 |
13 | 115839593 |
14 | 883dbd84 |
15 | 547a2918 |
hex | 35fbbbc0 |
905690048 has 56 divisors (see below), whose sum is σ = 1864303104. Its totient is φ = 436089600.
The previous prime is 905690029. The next prime is 905690069. The reversal of 905690048 is 840096509.
It is a junction number, because it is equal to n+sod(n) for n = 905689987 and 905690014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449363 + ... + 451373.
Almost surely, 2905690048 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 905690048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932151552).
905690048 is an abundant number, since it is smaller than the sum of its proper divisors (958613056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
905690048 is a wasteful number, since it uses less digits than its factorization.
905690048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2281 (or 2271 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 905690048 is about 30094.6847134174. The cubic root of 905690048 is about 967.5198082776.
The spelling of 905690048 in words is "nine hundred five million, six hundred ninety thousand, forty-eight".
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