Base | Representation |
---|---|
bin | 1101101101111… |
… | …00011000001100 |
3 | 22000111222101210 |
4 | 12312330120030 |
5 | 213424111010 |
6 | 15230134420 |
7 | 2565022332 |
oct | 666743014 |
9 | 260458353 |
10 | 115066380 |
11 | 59a52090 |
12 | 32651410 |
13 | 1aaba420 |
14 | 113d3b52 |
15 | a17db20 |
hex | 6dbc60c |
115066380 has 96 divisors (see below), whose sum is σ = 378540288. Its totient is φ = 25747200.
The previous prime is 115066361. The next prime is 115066381. The reversal of 115066380 is 83660511.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (115066381) 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, 1875 + ... + 15285.
It is an arithmetic number, because the mean of its divisors is an integer number (3943128).
Almost surely, 2115066380 is an apocalyptic number.
115066380 is a gapful number since it is divisible by the number (10) 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 115066380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189270144).
115066380 is an abundant number, since it is smaller than the sum of its proper divisors (263473908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115066380 is a wasteful number, since it uses less digits than its factorization.
115066380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13447 (or 13445 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 115066380 is about 10726.8998317314. The cubic root of 115066380 is about 486.3879609768.
The spelling of 115066380 in words is "one hundred fifteen million, sixty-six thousand, three hundred eighty".
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