Base | Representation |
---|---|
bin | 1100011111111… |
… | …0110000000000 |
3 | 10122122101202210 |
4 | 3013332300000 |
5 | 101410024210 |
6 | 5111342120 |
7 | 1204410501 |
oct | 307766000 |
9 | 118571683 |
10 | 52423680 |
11 | 27656761 |
12 | 15681940 |
13 | ab2663a |
14 | 6d68ba8 |
15 | 4907e20 |
hex | 31fec00 |
52423680 has 88 divisors (see below), whose sum is σ = 167722992. Its totient is φ = 13975552.
The previous prime is 52423673. The next prime is 52423741. The reversal of 52423680 is 8632425.
52423680 is a nontrivial binomial coefficient, being equal to C(10240, 2).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13654 + ... + 17066.
Almost surely, 252423680 is an apocalyptic number.
52423680 is the 10239-th triangular number and also the 5120-th hexagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83861496).
52423680 is an abundant number, since it is smaller than the sum of its proper divisors (115299312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52423680 is a wasteful number, since it uses less digits than its factorization.
52423680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3441 (or 3423 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 52423680 is about 7240.4198773276. The cubic root of 52423680 is about 374.2620866874.
The spelling of 52423680 in words is "fifty-two million, four hundred twenty-three thousand, six hundred eighty".
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