Base | Representation |
---|---|
bin | 1010000110000000001001 |
3 | 11222102122221 |
4 | 22012000021 |
5 | 1134133100 |
6 | 132414041 |
7 | 31330234 |
oct | 12060011 |
9 | 4872587 |
10 | 2646025 |
11 | 1547aa8 |
12 | a77321 |
13 | 7184c5 |
14 | 4cc41b |
15 | 37401a |
hex | 286009 |
2646025 has 12 divisors (see below), whose sum is σ = 3344652. Its totient is φ = 2075840.
The previous prime is 2646023. The next prime is 2646029. The reversal of 2646025 is 5206462.
It can be written as a sum of positive squares in 6 ways, for example, as 295936 + 2350089 = 544^2 + 1533^2 .
It is not a de Polignac number, because 2646025 - 21 = 2646023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
2646025 is a lucky number.
It is a nialpdrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (2646023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327 + ... + 2323.
It is an arithmetic number, because the mean of its divisors is an integer number (278721).
22646025 is an apocalyptic number.
2646025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2646025 is a deficient number, since it is larger than the sum of its proper divisors (698627).
2646025 is a wasteful number, since it uses less digits than its factorization.
2646025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2060 (or 2055 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 2646025 is about 1626.6606898797. The cubic root of 2646025 is about 138.3135243647.
The spelling of 2646025 in words is "two million, six hundred forty-six thousand, twenty-five".
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