Base | Representation |
---|---|
bin | 1011110100100… |
… | …0110010111101 |
3 | 10110021222200102 |
4 | 2331020302331 |
5 | 100143044440 |
6 | 4530410445 |
7 | 1141301510 |
oct | 275106275 |
9 | 113258612 |
10 | 49581245 |
11 | 25a9513a |
12 | 14730a25 |
13 | a36c91c |
14 | 6828d77 |
15 | 4545b15 |
hex | 2f48cbd |
49581245 has 16 divisors (see below), whose sum is σ = 70192128. Its totient is φ = 32901120.
The previous prime is 49581239. The next prime is 49581247. The reversal of 49581245 is 54218594.
It is not a de Polignac number, because 49581245 - 28 = 49580989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 49581199 and 49581208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49581247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21764 + ... + 23933.
It is an arithmetic number, because the mean of its divisors is an integer number (4387008).
Almost surely, 249581245 is an apocalyptic number.
It is an amenable number.
49581245 is a deficient number, since it is larger than the sum of its proper divisors (20610883).
49581245 is a wasteful number, since it uses less digits than its factorization.
49581245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45740.
The product of its digits is 57600, while the sum is 38.
The square root of 49581245 is about 7041.3951032448. The cubic root of 49581245 is about 367.3717941737.
The spelling of 49581245 in words is "forty-nine million, five hundred eighty-one thousand, two hundred forty-five".
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