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52288413 = 3173133073
BaseRepresentation
bin1100011101110…
…1101110011101
310122101112012220
43013131232131
5101341212123
65104415553
71203305232
oct307355635
9118345186
1052288413
1127574071
12156175b9
13aaa9bb8
146d31789
1548ccce3
hex31ddb9d

52288413 has 16 divisors (see below), whose sum is σ = 76202496. Its totient is φ = 31749120.

The previous prime is 52288403. The next prime is 52288417. The reversal of 52288413 is 31488225.

It is not a de Polignac number, because 52288413 - 25 = 52288381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52288417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14956 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (4762656).

Almost surely, 252288413 is an apocalyptic number.

It is an amenable number.

52288413 is a deficient number, since it is larger than the sum of its proper divisors (23914083).

52288413 is a wasteful number, since it uses less digits than its factorization.

52288413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33124.

The product of its digits is 15360, while the sum is 33.

The square root of 52288413 is about 7231.0727419934. The cubic root of 52288413 is about 373.9399109426.

The spelling of 52288413 in words is "fifty-two million, two hundred eighty-eight thousand, four hundred thirteen".

Divisors: 1 3 17 31 51 93 527 1581 33073 99219 562241 1025263 1686723 3075789 17429471 52288413