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252425570 = 2529870433
BaseRepresentation
bin11110000101110…
…11010101100010
3122120222112210012
433002323111202
51004110104240
641014204522
76153403415
oct1702732542
9576875705
10252425570
1111a540081
1270653742
13403b1757
142574bb7c
1517262b65
hexf0bb562

252425570 has 16 divisors (see below), whose sum is σ = 470034360. Its totient is φ = 97488384.

The previous prime is 252425567. The next prime is 252425573. The reversal of 252425570 is 75524252.

It is an interprime number because it is at equal distance from previous prime (252425567) and next prime (252425573).

It can be written as a sum of positive squares in 4 ways, for example, as 234978241 + 17447329 = 15329^2 + 4177^2 .

It is not an unprimeable number, because it can be changed into a prime (252425573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434927 + ... + 435506.

Almost surely, 2252425570 is an apocalyptic number.

252425570 is a deficient number, since it is larger than the sum of its proper divisors (217608790).

252425570 is a wasteful number, since it uses less digits than its factorization.

252425570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870469.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 252425570 is about 15887.9064070758. The cubic root of 252425570 is about 631.9913223853.

The spelling of 252425570 in words is "two hundred fifty-two million, four hundred twenty-five thousand, five hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 870433 1740866 4352165 8704330 25242557 50485114 126212785 252425570