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252200749 is a prime number
BaseRepresentation
bin11110000100001…
…00011100101101
3122120120010101111
433002010130231
51004030410444
641005312021
76151446103
oct1702043455
9576503344
10252200749
1111a3a7179
1270565611
1340333318
14256cdc73
151721b234
hexf08472d

252200749 has 2 divisors, whose sum is σ = 252200750. Its totient is φ = 252200748.

The previous prime is 252200701. The next prime is 252200771. The reversal of 252200749 is 947002252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216619524 + 35581225 = 14718^2 + 5965^2 .

It is a cyclic number.

It is not a de Polignac number, because 252200749 - 213 = 252192557 is a prime.

It is a super-2 number, since 2×2522007492 = 127210435592322002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252200749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252200549) 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, 126100374 + 126100375.

It is an arithmetic number, because the mean of its divisors is an integer number (126100375).

Almost surely, 2252200749 is an apocalyptic number.

It is an amenable number.

252200749 is a deficient number, since it is larger than the sum of its proper divisors (1).

252200749 is an equidigital number, since it uses as much as digits as its factorization.

252200749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 252200749 is about 15880.8296067932. The cubic root of 252200749 is about 631.8036404951.

The spelling of 252200749 in words is "two hundred fifty-two million, two hundred thousand, seven hundred forty-nine".