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252410449 is a prime number
BaseRepresentation
bin11110000101101…
…11101001010001
3122120221210001011
433002313221101
51004104113244
641014010521
76153311344
oct1702675121
9576853034
10252410449
1111a52a785
1270646a41
13403a78c5
142574645b
151725d434
hexf0b7a51

252410449 has 2 divisors, whose sum is σ = 252410450. Its totient is φ = 252410448.

The previous prime is 252410443. The next prime is 252410471. The reversal of 252410449 is 944014252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244609600 + 7800849 = 15640^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 252410449 - 213 = 252402257 is a prime.

It is a super-2 number, since 2×2524104492 = 127422069528763202, which contains 22 as substring.

It is equal to p13803934 and since 252410449 and 13803934 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252410449.

It is not a weakly prime, because it can be changed into another prime (252410443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126205224 + 126205225.

It is an arithmetic number, because the mean of its divisors is an integer number (126205225).

Almost surely, 2252410449 is an apocalyptic number.

It is an amenable number.

252410449 is a deficient number, since it is larger than the sum of its proper divisors (1).

252410449 is an equidigital number, since it uses as much as digits as its factorization.

252410449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 252410449 is about 15887.4305348599. The cubic root of 252410449 is about 631.9787027820.

The spelling of 252410449 in words is "two hundred fifty-two million, four hundred ten thousand, four hundred forty-nine".