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252052441 = 541465901
BaseRepresentation
bin11110000011000…
…00001111011001
3122120021120221121
433001200033121
51004011134231
641002205241
76150260524
oct1701401731
9576246847
10252052441
1111a305803
12704b3821
13402b0974
1425691bbb
15171dc311
hexf0603d9

252052441 has 4 divisors (see below), whose sum is σ = 252518884. Its totient is φ = 251586000.

The previous prime is 252052397. The next prime is 252052447. The reversal of 252052441 is 144250252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44836416 + 207216025 = 6696^2 + 14395^2 .

It is a cyclic number.

It is not a de Polignac number, because 252052441 - 27 = 252052313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252052447) 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 in 3 ways as a sum of consecutive naturals, for example, 232410 + ... + 233491.

It is an arithmetic number, because the mean of its divisors is an integer number (63129721).

Almost surely, 2252052441 is an apocalyptic number.

It is an amenable number.

252052441 is a deficient number, since it is larger than the sum of its proper divisors (466443).

252052441 is an equidigital number, since it uses as much as digits as its factorization.

252052441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466442.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 252052441 is about 15876.1595167093. The cubic root of 252052441 is about 631.6797710407.

The spelling of 252052441 in words is "two hundred fifty-two million, fifty-two thousand, four hundred forty-one".

Divisors: 1 541 465901 252052441