252148 has 18 divisors (see below), whose sum is σ = 479094. Its totient is φ = 116064.
The previous prime is 252143. The next prime is 252151. The reversal of 252148 is 841252.
It can be written as a sum of positive squares in 3 ways, for example, as 144 + 252004 = 12^2 + 502^2 .
It is a super-2 number, since 2×2521482 = 127157227808, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 490 + ... + 862.
2252148 is an apocalyptic number.
It is an amenable number.
252148 is a deficient number, since it is larger than the sum of its proper divisors (226946).
252148 is a wasteful number, since it uses less digits than its factorization.
252148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403 (or 388 counting only the distinct ones).
The product of its digits is 640, while the sum is 22.
The square root of 252148 is about 502.1434058115. The cubic root of 252148 is about 63.1759589167.
It can be divided in two parts, 252 and 148, that added together give a square (400 = 202).
The spelling of 252148 in words is "two hundred fifty-two thousand, one hundred forty-eight".
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