Base | Representation |
---|---|
bin | 100110111111011… |
… | …1001000010001100 |
3 | 10101011212011100010 |
4 | 1031332321002030 |
5 | 10134413112142 |
6 | 333454033220 |
7 | 44264432340 |
oct | 11576710214 |
9 | 3334764303 |
10 | 1308332172 |
11 | 611579364 |
12 | 3061a8810 |
13 | 17b094664 |
14 | c5a8d620 |
15 | 79cd8e9c |
hex | 4dfb908c |
1308332172 has 96 divisors (see below), whose sum is σ = 3888622080. Its totient is φ = 333296640.
The previous prime is 1308332171. The next prime is 1308332203. The reversal of 1308332172 is 2712338031.
It is not an unprimeable number, because it can be changed into a prime (1308332171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3022 + ... + 51242.
It is an arithmetic number, because the mean of its divisors is an integer number (40506480).
Almost surely, 21308332172 is an apocalyptic number.
1308332172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1308332172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944311040).
1308332172 is an abundant number, since it is smaller than the sum of its proper divisors (2580289908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1308332172 is a wasteful number, since it uses less digits than its factorization.
1308332172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48271 (or 48269 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 1308332172 is about 36170.8746369230. The cubic root of 1308332172 is about 1093.7196302120.
The spelling of 1308332172 in words is "one billion, three hundred eight million, three hundred thirty-two thousand, one hundred seventy-two".
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