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53152852 = 2253250721
BaseRepresentation
bin1100101011000…
…0110001010100
310201000110000011
43022300301110
5102101342402
65135130004
71213535404
oct312606124
9121013004
1053152852
1128004585
1215973904
13b0204bc
1470b8804
1549eded7
hex32b0c54

53152852 has 12 divisors (see below), whose sum is σ = 94772916. Its totient is φ = 26074880.

The previous prime is 53152811. The next prime is 53152871. The reversal of 53152852 is 25825135.

It can be written as a sum of positive squares in 2 ways, for example, as 27081616 + 26071236 = 5204^2 + 5106^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 125149 + ... + 125572.

It is an arithmetic number, because the mean of its divisors is an integer number (7897743).

Almost surely, 253152852 is an apocalyptic number.

It is an amenable number.

53152852 is a deficient number, since it is larger than the sum of its proper divisors (41620064).

53152852 is a wasteful number, since it uses less digits than its factorization.

53152852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250778 (or 250776 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 53152852 is about 7290.6002496365. The cubic root of 53152852 is about 375.9893331062.

Adding to 53152852 its reverse (25825135), we get a palindrome (78977987).

The spelling of 53152852 in words is "fifty-three million, one hundred fifty-two thousand, eight hundred fifty-two".

Divisors: 1 2 4 53 106 212 250721 501442 1002884 13288213 26576426 53152852