Base | Representation |
---|---|
bin | 1011111001011… |
… | …0001000101001 |
3 | 10110220002020000 |
4 | 2332112020221 |
5 | 100233214100 |
6 | 4541253213 |
7 | 1144061202 |
oct | 276261051 |
9 | 113802200 |
10 | 49898025 |
11 | 26191141 |
12 | 14864209 |
13 | a450b78 |
14 | 68ac5a9 |
15 | 45a9900 |
hex | 2f96229 |
49898025 has 60 divisors (see below), whose sum is σ = 94840284. Its totient is φ = 25920000.
The previous prime is 49898021. The next prime is 49898029. The reversal of 49898025 is 52089894.
49898025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (49898021) and next prime (49898029).
It can be written as a sum of positive squares in 6 ways, for example, as 2742336 + 47155689 = 1656^2 + 6867^2 .
It is not a de Polignac number, because 49898025 - 22 = 49898021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (49898021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 82725 + ... + 83325.
Almost surely, 249898025 is an apocalyptic number.
49898025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49898025 is a deficient number, since it is larger than the sum of its proper divisors (44942259).
49898025 is a wasteful number, since it uses less digits than its factorization.
49898025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 664 (or 650 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 49898025 is about 7063.8534101438. The cubic root of 49898025 is about 368.1525266634.
The spelling of 49898025 in words is "forty-nine million, eight hundred ninety-eight thousand, twenty-five".
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