Base | Representation |
---|---|
bin | 1011110111100… |
… | …1011000011110 |
3 | 10110200002200010 |
4 | 2331321120132 |
5 | 100220432004 |
6 | 4534544050 |
7 | 1143060636 |
oct | 275713036 |
9 | 113602603 |
10 | 49780254 |
11 | 26110707 |
12 | 14808026 |
13 | a40c394 |
14 | 687b6c6 |
15 | 4584a89 |
hex | 2f7961e |
49780254 has 8 divisors (see below), whose sum is σ = 99560520. Its totient is φ = 16593416.
The previous prime is 49780253. The next prime is 49780259. The reversal of 49780254 is 45208794.
It is a sphenic number, since it is the product of 3 distinct primes.
49780254 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49780253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4148349 + ... + 4148360.
It is an arithmetic number, because the mean of its divisors is an integer number (12445065).
Almost surely, 249780254 is an apocalyptic number.
49780254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49780254 is a wasteful number, since it uses less digits than its factorization.
49780254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8296714.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 49780254 is about 7055.5123130783. The cubic root of 49780254 is about 367.8626564902.
The spelling of 49780254 in words is "forty-nine million, seven hundred eighty thousand, two hundred fifty-four".
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