Base | Representation |
---|---|
bin | 1011110011111… |
… | …0011000000000 |
3 | 10110012211010111 |
4 | 2330332120000 |
5 | 100140213220 |
6 | 4525441104 |
7 | 1141033201 |
oct | 274763000 |
9 | 113184114 |
10 | 49538560 |
11 | 25a66065 |
12 | 14710194 |
13 | a356376 |
14 | 68175a8 |
15 | 453815a |
hex | 2f3e600 |
49538560 has 80 divisors (see below), whose sum is σ = 122219856. Its totient is φ = 19243008.
The previous prime is 49538551. The next prime is 49538563. The reversal of 49538560 is 6583594.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49538563) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94459 + ... + 94981.
Almost surely, 249538560 is an apocalyptic number.
49538560 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 49538560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61109928).
49538560 is an abundant number, since it is smaller than the sum of its proper divisors (72681296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49538560 is an equidigital number, since it uses as much as digits as its factorization.
49538560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 583 (or 567 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 40.
The square root of 49538560 is about 7038.3634461429. The cubic root of 49538560 is about 367.2663391961.
The spelling of 49538560 in words is "forty-nine million, five hundred thirty-eight thousand, five hundred sixty".
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