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52041145 = 5136071319
BaseRepresentation
bin1100011010000…
…1010110111001
310121220222000211
43012201112321
5101310304040
65055231121
71201225312
oct306412671
9117828024
1052041145
1127415312
12155184a1
13aa214a0
146ca9609
15487e8ea
hex31a15b9

52041145 has 16 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 38337984.

The previous prime is 52041139. The next prime is 52041161. The reversal of 52041145 is 54114025.

52041145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52041145 is a prime.

It is a super-2 number, since 2×520411452 = 5416561545822050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38796 + ... + 40114.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 252041145 is an apocalyptic number.

It is an amenable number.

52041145 is a deficient number, since it is larger than the sum of its proper divisors (15373895).

52041145 is a wasteful number, since it uses less digits than its factorization.

52041145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 52041145 is about 7213.9548792601. The cubic root of 52041145 is about 373.3495347100.

The spelling of 52041145 in words is "fifty-two million, forty-one thousand, one hundred forty-five".

Divisors: 1 5 13 65 607 1319 3035 6595 7891 17147 39455 85735 800633 4003165 10408229 52041145