Base | Representation |
---|---|
bin | 100010000001110010001 |
3 | 2002122112020 |
4 | 10100032101 |
5 | 241140100 |
6 | 35522053 |
7 | 12322542 |
oct | 4201621 |
9 | 2078466 |
10 | 1115025 |
11 | 6a180a |
12 | 459329 |
13 | 3006a2 |
14 | 2104c9 |
15 | 1705a0 |
hex | 110391 |
1115025 has 12 divisors (see below), whose sum is σ = 1843632. Its totient is φ = 594640.
The previous prime is 1115011. The next prime is 1115027. The reversal of 1115025 is 5205111.
It is not a de Polignac number, because 1115025 - 211 = 1112977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1114995 and 1115013.
It is not an unprimeable number, because it can be changed into a prime (1115027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7359 + ... + 7508.
It is an arithmetic number, because the mean of its divisors is an integer number (153636).
21115025 is an apocalyptic number.
1115025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1115025 is a deficient number, since it is larger than the sum of its proper divisors (728607).
1115025 is a wasteful number, since it uses less digits than its factorization.
1115025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14880 (or 14875 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 15.
The square root of 1115025 is about 1055.9474418739. The cubic root of 1115025 is about 103.6958879770.
It can be divided in two parts, 11150 and 25, that added together give a triangular number (11175 = T149).
The spelling of 1115025 in words is "one million, one hundred fifteen thousand, twenty-five".
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