Base | Representation |
---|---|
bin | 10010010110111… |
… | …101111101110110 |
3 | 210110120120111000 |
4 | 102112331331312 |
5 | 1112322321440 |
6 | 50321424130 |
7 | 10430022606 |
oct | 2226757566 |
9 | 713516430 |
10 | 308010870 |
11 | 148956142 |
12 | 8719b046 |
13 | 4ba7416b |
14 | 2cc9ac06 |
15 | 1c092730 |
hex | 125bdf76 |
308010870 has 64 divisors (see below), whose sum is σ = 823032000. Its totient is φ = 81969408.
The previous prime is 308010869. The next prime is 308010887. The reversal of 308010870 is 78010803.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 31 ways as a sum of consecutive naturals, for example, 190626 + ... + 192234.
It is an arithmetic number, because the mean of its divisors is an integer number (12859875).
Almost surely, 2308010870 is an apocalyptic number.
308010870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 308010870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411516000).
308010870 is an abundant number, since it is smaller than the sum of its proper divisors (515021130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308010870 is a wasteful number, since it uses less digits than its factorization.
308010870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2334 (or 2328 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 308010870 is about 17550.2384599184. The cubic root of 308010870 is about 675.3392862206.
The spelling of 308010870 in words is "three hundred eight million, ten thousand, eight hundred seventy".
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