Base | Representation |
---|---|
bin | 1100011100001… |
… | …1000000010011 |
3 | 10122011222002012 |
4 | 3013003000103 |
5 | 101324211323 |
6 | 5102213135 |
7 | 1202341154 |
oct | 307030023 |
9 | 118158065 |
10 | 52178963 |
11 | 274a9911 |
12 | 155841ab |
13 | aa6c135 |
14 | 6d0392b |
15 | 48aa678 |
hex | 31c3013 |
52178963 has 4 divisors (see below), whose sum is σ = 52193520. Its totient is φ = 52164408.
The previous prime is 52178953. The next prime is 52178969. The reversal of 52178963 is 36987125.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 52178963 - 224 = 35401747 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 52178963.
It is not an unprimeable number, because it can be changed into a prime (52178969) 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, 2306 + ... + 10472.
It is an arithmetic number, because the mean of its divisors is an integer number (13048380).
Almost surely, 252178963 is an apocalyptic number.
52178963 is a deficient number, since it is larger than the sum of its proper divisors (14557).
52178963 is an equidigital number, since it uses as much as digits as its factorization.
52178963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14556.
The product of its digits is 90720, while the sum is 41.
The square root of 52178963 is about 7223.5007440991. The cubic root of 52178963 is about 373.6788185975.
The spelling of 52178963 in words is "fifty-two million, one hundred seventy-eight thousand, nine hundred sixty-three".
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