Base | Representation |
---|---|
bin | 1011101100111… |
… | …0000010000100 |
3 | 10102100102220200 |
4 | 2323032002010 |
5 | 100031002104 |
6 | 4511530500 |
7 | 1134105504 |
oct | 273160204 |
9 | 112312820 |
10 | 49078404 |
11 | 25781371 |
12 | 14529a30 |
13 | a224a9b |
14 | 6737a04 |
15 | 4496b39 |
hex | 2ece084 |
49078404 has 36 divisors (see below), whose sum is σ = 126098700. Its totient is φ = 16090560.
The previous prime is 49078397. The next prime is 49078409. The reversal of 49078404 is 40487094.
It can be written as a sum of positive squares in 2 ways, for example, as 4161600 + 44916804 = 2040^2 + 6702^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49078409) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 8979 + ... + 13370.
Almost surely, 249078404 is an apocalyptic number.
It is an amenable number.
49078404 is an abundant number, since it is smaller than the sum of its proper divisors (77020296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49078404 is a wasteful number, since it uses less digits than its factorization.
49078404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22420 (or 22415 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 49078404 is about 7005.5980472762. The cubic root of 49078404 is about 366.1256399257.
The spelling of 49078404 in words is "forty-nine million, seventy-eight thousand, four hundred four".
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