Base | Representation |
---|---|
bin | 1011101011101… |
… | …0111000001111 |
3 | 10102012110022000 |
4 | 2322322320033 |
5 | 100020444301 |
6 | 4510123343 |
7 | 1133331000 |
oct | 272727017 |
9 | 112173260 |
10 | 48999951 |
11 | 25728430 |
12 | 144b0553 |
13 | a1c8170 |
14 | 67171a7 |
15 | 447d786 |
hex | 2ebae0f |
48999951 has 128 divisors (see below), whose sum is σ = 102144000. Its totient is φ = 22861440.
The previous prime is 48999893. The next prime is 48999983. The reversal of 48999951 is 15999984.
It is not a de Polignac number, because 48999951 - 26 = 48999887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48999451) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1324305 + ... + 1324341.
It is an arithmetic number, because the mean of its divisors is an integer number (798000).
Almost surely, 248999951 is an apocalyptic number.
48999951 is an abundant number, since it is smaller than the sum of its proper divisors (53144049).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48999951 is a wasteful number, since it uses less digits than its factorization.
48999951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91 (or 71 counting only the distinct ones).
The product of its digits is 1049760, while the sum is 54.
The square root of 48999951 is about 6999.9964999991. The cubic root of 48999951 is about 365.9304490254.
Multiplying 48999951 by its reverse (15999984), we get a square (783998432000784 = 279999722).
It can be divided in two parts, 48 and 999951, that added together give a palindrome (999999).
The spelling of 48999951 in words is "forty-eight million, nine hundred ninety-nine thousand, nine hundred fifty-one".
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