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52111144 = 2329224617
BaseRepresentation
bin1100011011001…
…0011100101000
310122001112001101
43012302130220
5101320024034
65100531144
71201636351
oct306623450
9118045041
1052111144
1127462968
1215550ab4
13aa472c7
146cc6d28
154895514
hex31b2728

52111144 has 16 divisors (see below), whose sum is σ = 101078100. Its totient is φ = 25156992.

The previous prime is 52111127. The next prime is 52111159. The reversal of 52111144 is 44111125.

It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 702244 = 7170^2 + 838^2 .

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, 112077 + ... + 112540.

Almost surely, 252111144 is an apocalyptic number.

It is an amenable number.

52111144 is a deficient number, since it is larger than the sum of its proper divisors (48966956).

52111144 is a wasteful number, since it uses less digits than its factorization.

52111144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224652 (or 224648 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 52111144 is about 7218.8048872372. The cubic root of 52111144 is about 373.5168535077.

Subtracting from 52111144 its sum of digits (19), we obtain a palindrome (52111125).

Adding to 52111144 its reverse (44111125), we get a palindrome (96222269).

The spelling of 52111144 in words is "fifty-two million, one hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 29 58 116 232 224617 449234 898468 1796936 6513893 13027786 26055572 52111144