Base | Representation |
---|---|
bin | 1101110000101… |
… | …01001101110101 |
3 | 22001012110112212 |
4 | 12320111031311 |
5 | 214022232021 |
6 | 15242023205 |
7 | 2601066242 |
oct | 670251565 |
9 | 261173485 |
10 | 115430261 |
11 | 5a180511 |
12 | 327a7b05 |
13 | 1abb6c3b |
14 | 1148a5c9 |
15 | a20185b |
hex | 6e15375 |
115430261 has 8 divisors (see below), whose sum is σ = 123012864. Its totient is φ = 108061360.
The previous prime is 115430197. The next prime is 115430299. The reversal of 115430261 is 162034511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 115430261 - 26 = 115430197 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115430461) 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, 52310 + ... + 54471.
It is an arithmetic number, because the mean of its divisors is an integer number (15376608).
Almost surely, 2115430261 is an apocalyptic number.
It is an amenable number.
115430261 is a deficient number, since it is larger than the sum of its proper divisors (7582603).
115430261 is a wasteful number, since it uses less digits than its factorization.
115430261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106851.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 115430261 is about 10743.8475882712. The cubic root of 115430261 is about 486.9001322961.
Adding to 115430261 its reverse (162034511), we get a palindrome (277464772).
The spelling of 115430261 in words is "one hundred fifteen million, four hundred thirty thousand, two hundred sixty-one".
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