Base | Representation |
---|---|
bin | 110110110001110… |
… | …001010111100000 |
3 | 2101001021220020000 |
4 | 312301301113200 |
5 | 3340232020203 |
6 | 231105420000 |
7 | 31526341434 |
oct | 6661612740 |
9 | 2331256200 |
10 | 919016928 |
11 | 431841025 |
12 | 21793a600 |
13 | 1185244cb |
14 | 8a0aa9c4 |
15 | 55a364a3 |
hex | 36c715e0 |
919016928 has 120 divisors (see below), whose sum is σ = 2845208520. Its totient is φ = 290200320.
The previous prime is 919016921. The next prime is 919016933. The reversal of 919016928 is 829610919.
919016928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×9190169282 = 1689184227901114368, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (919016921) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39918 + ... + 58578.
It is an arithmetic number, because the mean of its divisors is an integer number (23710071).
Almost surely, 2919016928 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 919016928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422604260).
919016928 is an abundant number, since it is smaller than the sum of its proper divisors (1926191592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
919016928 is a wasteful number, since it uses less digits than its factorization.
919016928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18702 (or 18685 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 45.
The square root of 919016928 is about 30315.2919827601. The cubic root of 919016928 is about 972.2422807106.
The spelling of 919016928 in words is "nine hundred nineteen million, sixteen thousand, nine hundred twenty-eight".
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