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52041312 = 2533293167
BaseRepresentation
bin1100011010000…
…1011001100000
310121220222021000
43012201121200
5101310310222
65055232000
71201225641
oct306413140
9117828230
1052041312
1127415454
1215518600
13aa2159b
146ca96c8
15487e9ac
hex31a1660

52041312 has 192 divisors, whose sum is σ = 164505600. Its totient is φ = 15966720.

The previous prime is 52041289. The next prime is 52041313. The reversal of 52041312 is 21314025.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52041313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776703 + ... + 776769.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 252041312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82252800).

52041312 is an abundant number, since it is smaller than the sum of its proper divisors (112464288).

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

52041312 is a wasteful number, since it uses less digits than its factorization.

52041312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52041312 is about 7213.9664540390. The cubic root of 52041312 is about 373.3499340691.

Adding to 52041312 its reverse (21314025), we get a palindrome (73355337).

The spelling of 52041312 in words is "fifty-two million, forty-one thousand, three hundred twelve".