Base | Representation |
---|---|
bin | 1100101110100… |
… | …1011000111001 |
3 | 10201110020010101 |
4 | 3023221120321 |
5 | 102131303021 |
6 | 5144115401 |
7 | 1215522463 |
oct | 313513071 |
9 | 121406111 |
10 | 53384761 |
11 | 28152841 |
12 | 15a65b61 |
13 | b0a1c21 |
14 | 7139133 |
15 | 4a47a91 |
hex | 32e9639 |
53384761 has 4 divisors (see below), whose sum is σ = 53883792. Its totient is φ = 52885732.
The previous prime is 53384741. The next prime is 53384767. The reversal of 53384761 is 16748335.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16748335 = 5 ⋅3349667.
It is a cyclic number.
It is not a de Polignac number, because 53384761 - 213 = 53376569 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 53384761.
It is not an unprimeable number, because it can be changed into a prime (53384767) 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, 249355 + ... + 249568.
It is an arithmetic number, because the mean of its divisors is an integer number (13470948).
Almost surely, 253384761 is an apocalyptic number.
It is an amenable number.
53384761 is a deficient number, since it is larger than the sum of its proper divisors (499031).
53384761 is a wasteful number, since it uses less digits than its factorization.
53384761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499030.
The product of its digits is 60480, while the sum is 37.
The square root of 53384761 is about 7306.4875966500. The cubic root of 53384761 is about 376.5353609029.
It can be divided in two parts, 53384 and 761, that added together give a palindrome (54145).
The spelling of 53384761 in words is "fifty-three million, three hundred eighty-four thousand, seven hundred sixty-one".
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