Base | Representation |
---|---|
bin | 111101011110… |
… | …010101101111 |
3 | 1010022201200220 |
4 | 331132111233 |
5 | 13111140210 |
6 | 1333222423 |
7 | 253655445 |
oct | 75362557 |
9 | 33281626 |
10 | 16115055 |
11 | 9107530 |
12 | 5491a13 |
13 | 3453048 |
14 | 21d6b95 |
15 | 1634c70 |
hex | f5e56f |
16115055 has 32 divisors (see below), whose sum is σ = 28435968. Its totient is φ = 7728000.
The previous prime is 16115023. The next prime is 16115063. The reversal of 16115055 is 55051161.
It is not a de Polignac number, because 16115055 - 25 = 16115023 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16182 + ... + 17148.
It is an arithmetic number, because the mean of its divisors is an integer number (888624).
Almost surely, 216115055 is an apocalyptic number.
16115055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
16115055 is a deficient number, since it is larger than the sum of its proper divisors (12320913).
16115055 is a wasteful number, since it uses less digits than its factorization.
16115055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1087.
The product of its (nonzero) digits is 750, while the sum is 24.
The square root of 16115055 is about 4014.3561127533. The cubic root of 16115055 is about 252.5867688593.
It can be divided in two parts, 1611 and 5055, that added together give a palindrome (6666).
The spelling of 16115055 in words is "sixteen million, one hundred fifteen thousand, fifty-five".
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