Base | Representation |
---|---|
bin | 1101110000010… |
… | …11101000101111 |
3 | 22001010110201121 |
4 | 12320023220233 |
5 | 214020003043 |
6 | 15241121411 |
7 | 2600543656 |
oct | 670135057 |
9 | 261113647 |
10 | 115391023 |
11 | 5a153a90 |
12 | 32789267 |
13 | 1aba2117 |
14 | 1147a19d |
15 | a1e4ded |
hex | 6e0ba2f |
115391023 has 8 divisors (see below), whose sum is σ = 131354496. Its totient is φ = 100339800.
The previous prime is 115390993. The next prime is 115391119. The reversal of 115391023 is 320193511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-115391023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115391723) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227793 + ... + 228298.
It is an arithmetic number, because the mean of its divisors is an integer number (16419312).
Almost surely, 2115391023 is an apocalyptic number.
115391023 is a deficient number, since it is larger than the sum of its proper divisors (15963473).
115391023 is a wasteful number, since it uses less digits than its factorization.
115391023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456125.
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 115391023 is about 10742.0213647153. The cubic root of 115391023 is about 486.8449556830.
The spelling of 115391023 in words is "one hundred fifteen million, three hundred ninety-one thousand, twenty-three".
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