Base | Representation |
---|---|
bin | 1011111010101… |
… | …1000110001101 |
3 | 10111001110000000 |
4 | 2332223012031 |
5 | 100243441020 |
6 | 4543154513 |
7 | 1144566420 |
oct | 276530615 |
9 | 114043000 |
10 | 49983885 |
11 | 2623a6a6 |
12 | 148a5a39 |
13 | a480c83 |
14 | 68d19b7 |
15 | 45c5090 |
hex | 2fab18d |
49983885 has 64 divisors (see below), whose sum is σ = 102965760. Its totient is φ = 22814784.
The previous prime is 49983883. The next prime is 49983917. The reversal of 49983885 is 58838994.
It is a happy number.
It is not a de Polignac number, because 49983885 - 21 = 49983883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49983883) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76219 + ... + 76871.
It is an arithmetic number, because the mean of its divisors is an integer number (1608840).
Almost surely, 249983885 is an apocalyptic number.
49983885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49983885 is an abundant number, since it is smaller than the sum of its proper divisors (52981875).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49983885 is an frugal number, since it uses more digits than its factorization.
49983885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 686 (or 668 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 54.
The square root of 49983885 is about 7069.9282174574. The cubic root of 49983885 is about 368.3635668328.
The spelling of 49983885 in words is "forty-nine million, nine hundred eighty-three thousand, eight hundred eighty-five".
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