Base | Representation |
---|---|
bin | 1011100010001… |
… | …1100000000101 |
3 | 10101000221202111 |
4 | 2320203200011 |
5 | 44341124114 |
6 | 4444541021 |
7 | 1125136204 |
oct | 270434005 |
9 | 111027674 |
10 | 48379909 |
11 | 253445a6 |
12 | 14251771 |
13 | a03bb86 |
14 | 65d523b |
15 | 43a9bc4 |
hex | 2e23805 |
48379909 has 16 divisors (see below), whose sum is σ = 54492480. Its totient is φ = 42681600.
The previous prime is 48379907. The next prime is 48379913. The reversal of 48379909 is 90997384.
It is not a de Polignac number, because 48379909 - 21 = 48379907 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48379901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31882 + ... + 33364.
It is an arithmetic number, because the mean of its divisors is an integer number (3405780).
Almost surely, 248379909 is an apocalyptic number.
It is an amenable number.
48379909 is a deficient number, since it is larger than the sum of its proper divisors (6112571).
48379909 is a wasteful number, since it uses less digits than its factorization.
48379909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1620.
The product of its (nonzero) digits is 489888, while the sum is 49.
The square root of 48379909 is about 6955.5667633918. The cubic root of 48379909 is about 364.3804062583.
The spelling of 48379909 in words is "forty-eight million, three hundred seventy-nine thousand, nine hundred nine".
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