Base | Representation |
---|---|
bin | 1011101100111… |
… | …1010111011110 |
3 | 10102100201102010 |
4 | 2323033113132 |
5 | 100031140440 |
6 | 4512012050 |
7 | 1134130443 |
oct | 273172736 |
9 | 112321363 |
10 | 49083870 |
11 | 25785490 |
12 | 14531026 |
13 | a227414 |
14 | 67399ca |
15 | 4498580 |
hex | 2ecf5de |
49083870 has 64 divisors (see below), whose sum is σ = 130740480. Its totient is φ = 11692800.
The previous prime is 49083869. The next prime is 49083887. The reversal of 49083870 is 7838094.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18210 + ... + 20730.
It is an arithmetic number, because the mean of its divisors is an integer number (2042820).
Almost surely, 249083870 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49083870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65370240).
49083870 is an abundant number, since it is smaller than the sum of its proper divisors (81656610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49083870 is a wasteful number, since it uses less digits than its factorization.
49083870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2601.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 49083870 is about 7005.9881530017. The cubic root of 49083870 is about 366.1392315688.
It can be divided in two parts, 4908 and 3870, that added together give a palindrome (8778).
The spelling of 49083870 in words is "forty-nine million, eighty-three thousand, eight hundred seventy".
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