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53118852 = 2234426571
BaseRepresentation
bin1100101010100…
…0011110000100
310200221201100220
43022220132010
5102044300402
65134304340
71213334313
oct312503604
9120851326
1053118852
1127a90a86
12159580b0
13b00ab97
1470aa27a
1549e3dbc
hex32a8784

53118852 has 12 divisors (see below), whose sum is σ = 123944016. Its totient is φ = 17706280.

The previous prime is 53118839. The next prime is 53118853. The reversal of 53118852 is 25881135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×531188522 = 5643224875595808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53118853) 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 3 ways as a sum of consecutive naturals, for example, 2213274 + ... + 2213297.

It is an arithmetic number, because the mean of its divisors is an integer number (10328668).

Almost surely, 253118852 is an apocalyptic number.

It is an amenable number.

53118852 is an abundant number, since it is smaller than the sum of its proper divisors (70825164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53118852 is a wasteful number, since it uses less digits than its factorization.

53118852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426578 (or 4426576 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 53118852 is about 7288.2681070334. The cubic root of 53118852 is about 375.9091469791.

Adding to 53118852 its reverse (25881135), we get a palindrome (78999987).

The spelling of 53118852 in words is "fifty-three million, one hundred eighteen thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 4426571 8853142 13279713 17706284 26559426 53118852