Base | Representation |
---|---|
bin | 1101101110011… |
… | …11101011101111 |
3 | 22000122222212111 |
4 | 12313033223233 |
5 | 213434123310 |
6 | 15231544451 |
7 | 2565502015 |
oct | 667175357 |
9 | 260588774 |
10 | 115145455 |
11 | 59aa6537 |
12 | 3268b127 |
13 | 1ab17409 |
14 | 114148b5 |
15 | a19728a |
hex | 6dcfaef |
115145455 has 8 divisors (see below), whose sum is σ = 140067792. Its totient is φ = 90854208.
The previous prime is 115145431. The next prime is 115145477. The reversal of 115145455 is 554541511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 115145455 - 223 = 106756847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157369 + ... + 158098.
It is an arithmetic number, because the mean of its divisors is an integer number (17508474).
Almost surely, 2115145455 is an apocalyptic number.
115145455 is a deficient number, since it is larger than the sum of its proper divisors (24922337).
115145455 is an equidigital number, since it uses as much as digits as its factorization.
115145455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315545.
The product of its digits is 10000, while the sum is 31.
The square root of 115145455 is about 10730.5850259900. The cubic root of 115145455 is about 486.4993526826.
Adding to 115145455 its reverse (554541511), we get a palindrome (669686966).
It can be divided in two parts, 115145 and 455, that added together give a square (115600 = 3402).
The spelling of 115145455 in words is "one hundred fifteen million, one hundred forty-five thousand, four hundred fifty-five".
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