Base | Representation |
---|---|
bin | 1011110111111… |
… | …1010001011100 |
3 | 10110201022202200 |
4 | 2331333101130 |
5 | 100222220010 |
6 | 4535251500 |
7 | 1143221163 |
oct | 275772134 |
9 | 113638680 |
10 | 49804380 |
11 | 2612784a |
12 | 14819b90 |
13 | a41a362 |
14 | 68863da |
15 | 458bcc0 |
hex | 2f7f45c |
49804380 has 72 divisors (see below), whose sum is σ = 151779264. Its totient is φ = 13219200.
The previous prime is 49804379. The next prime is 49804409. The reversal of 49804380 is 8340894.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48270 + ... + 49290.
Almost surely, 249804380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49804380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75889632).
49804380 is an abundant number, since it is smaller than the sum of its proper divisors (101974884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49804380 is a wasteful number, since it uses less digits than its factorization.
49804380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1307 (or 1302 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 49804380 is about 7057.2218329878. The cubic root of 49804380 is about 367.9220751040.
The spelling of 49804380 in words is "forty-nine million, eight hundred four thousand, three hundred eighty".
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