Base | Representation |
---|---|
bin | 1011100110110… |
… | …1101011001001 |
3 | 10101121101111210 |
4 | 2321231223021 |
5 | 44430334341 |
6 | 4455243333 |
7 | 1130543022 |
oct | 271555311 |
9 | 111541453 |
10 | 48683721 |
11 | 25531889 |
12 | 14379549 |
13 | a117248 |
14 | 6673c49 |
15 | 4419c16 |
hex | 2e6dac9 |
48683721 has 8 divisors (see below), whose sum is σ = 67150080. Its totient is φ = 31336592.
The previous prime is 48683711. The next prime is 48683729. The reversal of 48683721 is 12738684.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 48683721 - 25 = 48683689 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 48683721.
It is not an unprimeable number, because it can be changed into a prime (48683729) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279705 + ... + 279878.
It is an arithmetic number, because the mean of its divisors is an integer number (8393760).
Almost surely, 248683721 is an apocalyptic number.
It is an amenable number.
48683721 is a deficient number, since it is larger than the sum of its proper divisors (18466359).
48683721 is a wasteful number, since it uses less digits than its factorization.
48683721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 559615.
The product of its digits is 64512, while the sum is 39.
The square root of 48683721 is about 6977.3720697695. The cubic root of 48683721 is about 365.1415501526.
The spelling of 48683721 in words is "forty-eight million, six hundred eighty-three thousand, seven hundred twenty-one".
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