Search a number
-
+
30052523 is a prime number
BaseRepresentation
bin111001010100…
…1000010101011
32002112211022102
41302221002223
530143140043
62552044015
7513304454
oct162510253
962484272
1030052523
1115a669a6
12a09360b
1362c2b77
143dc412b
1529896b8
hex1ca90ab

30052523 has 2 divisors, whose sum is σ = 30052524. Its totient is φ = 30052522.

The previous prime is 30052511. The next prime is 30052543. The reversal of 30052523 is 32525003.

It is an a-pointer prime, because the next prime (30052543) can be obtained adding 30052523 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30052523 - 222 = 25858219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30052495 and 30052504.

It is not a weakly prime, because it can be changed into another prime (30052543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026261 + 15026262.

It is an arithmetic number, because the mean of its divisors is an integer number (15026262).

Almost surely, 230052523 is an apocalyptic number.

30052523 is a deficient number, since it is larger than the sum of its proper divisors (1).

30052523 is an equidigital number, since it uses as much as digits as its factorization.

30052523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30052523 is about 5482.0181502801. The cubic root of 30052523 is about 310.9044795099.

Adding to 30052523 its reverse (32525003), we get a palindrome (62577526).

The spelling of 30052523 in words is "thirty million, fifty-two thousand, five hundred twenty-three".