Search a number
-
+
52712249 is a prime number
BaseRepresentation
bin1100100100010…
…1001100111001
310200012001121112
43021011030321
5101443242444
65121450105
71210022012
oct311051471
9120161545
1052712249
1127833547
12157a0935
13abc7aa5
147002009
15496369e
hex3245339

52712249 has 2 divisors, whose sum is σ = 52712250. Its totient is φ = 52712248.

The previous prime is 52712237. The next prime is 52712267. The reversal of 52712249 is 94221725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 7728400 = 6707^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 52712249 - 28 = 52711993 is a prime.

It is equal to p3153857 and since 52712249 and 3153857 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52712299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26356124 + 26356125.

It is an arithmetic number, because the mean of its divisors is an integer number (26356125).

Almost surely, 252712249 is an apocalyptic number.

It is an amenable number.

52712249 is a deficient number, since it is larger than the sum of its proper divisors (1).

52712249 is an equidigital number, since it uses as much as digits as its factorization.

52712249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 52712249 is about 7260.3201720034. The cubic root of 52712249 is about 374.9475458484.

The spelling of 52712249 in words is "fifty-two million, seven hundred twelve thousand, two hundred forty-nine".