Base | Representation |
---|---|
bin | 1100010101100… |
… | …1110011010000 |
3 | 10121101001222101 |
4 | 3011121303100 |
5 | 101221414143 |
6 | 5045050144 |
7 | 1165564642 |
oct | 305316320 |
9 | 117331871 |
10 | 51748048 |
11 | 27235090 |
12 | 153b6954 |
13 | a94ac61 |
14 | 6c30892 |
15 | 4822b4d |
hex | 3159cd0 |
51748048 has 20 divisors (see below), whose sum is σ = 109376928. Its totient is φ = 23521760.
The previous prime is 51748043. The next prime is 51748061. The reversal of 51748048 is 84084715.
It is a junction number, because it is equal to n+sod(n) for n = 51747998 and 51748016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51748043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146836 + ... + 147187.
Almost surely, 251748048 is an apocalyptic number.
It is an amenable number.
51748048 is an abundant number, since it is smaller than the sum of its proper divisors (57628880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51748048 is a wasteful number, since it uses less digits than its factorization.
51748048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294042 (or 294036 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 37.
The square root of 51748048 is about 7193.6116103109. The cubic root of 51748048 is about 372.6473101734.
The spelling of 51748048 in words is "fifty-one million, seven hundred forty-eight thousand, forty-eight".
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