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52547293 = 1916071721
BaseRepresentation
bin1100100001110…
…0111011011101
310122212200100001
43020130323131
5101423003133
65114134301
71205434051
oct310347335
9118780301
1052547293
1127730617
1215721391
13ab6a996
146d9bc61
15492e87d
hex321cedd

52547293 has 8 divisors (see below), whose sum is σ = 55379520. Its totient is φ = 49721760.

The previous prime is 52547237. The next prime is 52547321. The reversal of 52547293 is 39274525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52547293 is a prime.

It is a super-2 number, since 2×525472932 = 5522436003255698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29673 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (6922440).

Almost surely, 252547293 is an apocalyptic number.

It is an amenable number.

52547293 is a deficient number, since it is larger than the sum of its proper divisors (2832227).

52547293 is a wasteful number, since it uses less digits than its factorization.

52547293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its digits is 75600, while the sum is 37.

The square root of 52547293 is about 7248.9511655135. The cubic root of 52547293 is about 374.5560209314.

The spelling of 52547293 in words is "fifty-two million, five hundred forty-seven thousand, two hundred ninety-three".

Divisors: 1 19 1607 1721 30533 32699 2765647 52547293