Base | Representation |
---|---|
bin | 1011110110001… |
… | …0110000001000 |
3 | 10110111101112000 |
4 | 2331202300020 |
5 | 100210000220 |
6 | 4532551000 |
7 | 1142223456 |
oct | 275426010 |
9 | 113441460 |
10 | 49687560 |
11 | 26057aaa |
12 | 14782460 |
13 | a3a9130 |
14 | 68559d6 |
15 | 4567390 |
hex | 2f62c08 |
49687560 has 128 divisors (see below), whose sum is σ = 178416000. Its totient is φ = 12227328.
The previous prime is 49687493. The next prime is 49687591. The reversal of 49687560 is 6578694.
49687560 is a `hidden beast` number, since 4 + 9 + 6 + 87 + 560 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12271 + ... + 15809.
It is an arithmetic number, because the mean of its divisors is an integer number (1393875).
Almost surely, 249687560 is an apocalyptic number.
49687560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49687560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89208000).
49687560 is an abundant number, since it is smaller than the sum of its proper divisors (128728440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49687560 is a wasteful number, since it uses less digits than its factorization.
49687560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3572 (or 3562 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 49687560 is about 7048.9403458960. The cubic root of 49687560 is about 367.6341867330.
The spelling of 49687560 in words is "forty-nine million, six hundred eighty-seven thousand, five hundred sixty".
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