Base | Representation |
---|---|
bin | 1011110101001… |
… | …0110111010000 |
3 | 10110101002020122 |
4 | 2331102313100 |
5 | 100200404410 |
6 | 4531325412 |
7 | 1141532645 |
oct | 275226720 |
9 | 113332218 |
10 | 49622480 |
11 | 26013116 |
12 | 14750868 |
13 | a38561b |
14 | 6839dcc |
15 | 4552e55 |
hex | 2f52dd0 |
49622480 has 80 divisors (see below), whose sum is σ = 121398480. Its totient is φ = 18837504.
The previous prime is 49622479. The next prime is 49622491. The reversal of 49622480 is 8422694.
It can be written as a sum of positive squares in 8 ways, for example, as 3055504 + 46566976 = 1748^2 + 6824^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 49622480.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169214 + ... + 169506.
It is an arithmetic number, because the mean of its divisors is an integer number (1517481).
Almost surely, 249622480 is an apocalyptic number.
49622480 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 49622480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60699240).
49622480 is an abundant number, since it is smaller than the sum of its proper divisors (71776000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49622480 is a wasteful number, since it uses less digits than its factorization.
49622480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408 (or 402 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 49622480 is about 7044.3225366248. The cubic root of 49622480 is about 367.4736094088.
The spelling of 49622480 in words is "forty-nine million, six hundred twenty-two thousand, four hundred eighty".
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