Base | Representation |
---|---|
bin | 1101110100110… |
… | …01011110111101 |
3 | 22002012222201100 |
4 | 12322121132331 |
5 | 214142101104 |
6 | 15301403313 |
7 | 2605513605 |
oct | 672313675 |
9 | 262188640 |
10 | 115972029 |
11 | 5a510558 |
12 | 32a09539 |
13 | 1b046704 |
14 | 1158bc05 |
15 | a2ac139 |
hex | 6e997bd |
115972029 has 12 divisors (see below), whose sum is σ = 176332000. Its totient is φ = 73245384.
The previous prime is 115972027. The next prime is 115972061. The reversal of 115972029 is 920279511.
It is not a de Polignac number, because 115972029 - 21 = 115972027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 115971984 and 115972002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115972027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338929 + ... + 339270.
Almost surely, 2115972029 is an apocalyptic number.
115972029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
115972029 is a deficient number, since it is larger than the sum of its proper divisors (60359971).
115972029 is a wasteful number, since it uses less digits than its factorization.
115972029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678224 (or 678221 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The square root of 115972029 is about 10769.0310149057. The cubic root of 115972029 is about 487.6606933763.
The spelling of 115972029 in words is "one hundred fifteen million, nine hundred seventy-two thousand, twenty-nine".
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