Base | Representation |
---|---|
bin | 1011110000000… |
… | …0101000100001 |
3 | 10102201222020000 |
4 | 2330000220201 |
5 | 100104120130 |
6 | 4520210213 |
7 | 1135630662 |
oct | 274005041 |
9 | 112658200 |
10 | 49285665 |
11 | 25903060 |
12 | 14609969 |
13 | a298220 |
14 | 678d369 |
15 | 44d8260 |
hex | 2f00a21 |
49285665 has 160 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 20528640.
The previous prime is 49285637. The next prime is 49285673. The reversal of 49285665 is 56658294.
It is not a de Polignac number, because 49285665 - 25 = 49285633 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 49285665.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1332027 + ... + 1332063.
Almost surely, 249285665 is an apocalyptic number.
49285665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49285665 is an abundant number, since it is smaller than the sum of its proper divisors (61949151).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49285665 is a wasteful number, since it uses less digits than its factorization.
49285665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101 (or 92 counting only the distinct ones).
The product of its digits is 518400, while the sum is 45.
The square root of 49285665 is about 7020.3749899845. The cubic root of 49285665 is about 366.6403061857.
The spelling of 49285665 in words is "forty-nine million, two hundred eighty-five thousand, six hundred sixty-five".
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