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52144012 = 22122910607
BaseRepresentation
bin1100011011101…
…0011110001100
310122010012010201
43012322132030
5101322102022
65101343244
71202134234
oct306723614
9118105121
1052144012
1127485628
1215567b24
13aa5925b
146cd4cc4
1548a0127
hex31ba78c

52144012 has 12 divisors (see below), whose sum is σ = 91334880. Its totient is φ = 26048336.

The previous prime is 52143991. The next prime is 52144031. The reversal of 52144012 is 21044125.

It is a super-2 number, since 2×521440122 = 5437995974912288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388 + ... + 10219.

It is an arithmetic number, because the mean of its divisors is an integer number (7611240).

Almost surely, 252144012 is an apocalyptic number.

It is an amenable number.

52144012 is a deficient number, since it is larger than the sum of its proper divisors (39190868).

52144012 is a wasteful number, since it uses less digits than its factorization.

52144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840 (or 11838 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 52144012 is about 7221.0810824973. The cubic root of 52144012 is about 373.5953662838.

Adding to 52144012 its reverse (21044125), we get a palindrome (73188137).

The spelling of 52144012 in words is "fifty-two million, one hundred forty-four thousand, twelve".

Divisors: 1 2 4 1229 2458 4916 10607 21214 42428 13036003 26072006 52144012