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52216544 = 252815807
BaseRepresentation
bin1100011100110…
…0001011100000
310122020212122002
43013030023200
5101331412134
65103103132
71202555552
oct307141340
9118225562
1052216544
1127525076
12155a1aa8
13aa83283
146d134d2
1548b687e
hex31cc2e0

52216544 has 24 divisors (see below), whose sum is σ = 103184928. Its totient is φ = 26010880.

The previous prime is 52216543. The next prime is 52216553. The reversal of 52216544 is 44561225.

It is a super-3 number, since 3×522165443 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52216543) 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, 6089 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (4299372).

Almost surely, 252216544 is an apocalyptic number.

It is an amenable number.

52216544 is a deficient number, since it is larger than the sum of its proper divisors (50968384).

52216544 is a wasteful number, since it uses less digits than its factorization.

52216544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098 (or 6090 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 52216544 is about 7226.1015769224. The cubic root of 52216544 is about 373.7685089807.

Adding to 52216544 its reverse (44561225), we get a palindrome (96777769).

The spelling of 52216544 in words is "fifty-two million, two hundred sixteen thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 281 562 1124 2248 4496 5807 8992 11614 23228 46456 92912 185824 1631767 3263534 6527068 13054136 26108272 52216544