Search a number
-
+
252204629 is a prime number
BaseRepresentation
bin11110000100001…
…01011001010101
3122120120022201012
433002011121111
51004031022004
641005342005
76151463315
oct1702053125
9576508635
10252204629
1111a3aa086
1270567905
1340335011
14256d1445
151721c46e
hexf085655

252204629 has 2 divisors, whose sum is σ = 252204630. Its totient is φ = 252204628.

The previous prime is 252204611. The next prime is 252204661. The reversal of 252204629 is 926402252.

It is an a-pointer prime, because the next prime (252204661) can be obtained adding 252204629 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155575729 + 96628900 = 12473^2 + 9830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252204629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252204595 and 252204604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252204229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126102314 + 126102315.

It is an arithmetic number, because the mean of its divisors is an integer number (126102315).

Almost surely, 2252204629 is an apocalyptic number.

It is an amenable number.

252204629 is a deficient number, since it is larger than the sum of its proper divisors (1).

252204629 is an equidigital number, since it uses as much as digits as its factorization.

252204629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 252204629 is about 15880.9517661883. The cubic root of 252204629 is about 631.8068804876.

The spelling of 252204629 in words is "two hundred fifty-two million, two hundred four thousand, six hundred twenty-nine".