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52384253 = 1932691009
BaseRepresentation
bin1100011111010…
…1000111111101
310122120101200112
43013311013331
5101402244003
65110435405
71204154525
oct307650775
9118511615
1052384253
112762a079
1215662b65
13ab116cc
146d58685
1548eb3d8
hex31f51fd

52384253 has 8 divisors (see below), whose sum is σ = 52903800. Its totient is φ = 51867648.

The previous prime is 52384247. The next prime is 52384303. The reversal of 52384253 is 35248325.

It can be written as a sum of positive squares in 4 ways, for example, as 573049 + 51811204 = 757^2 + 7198^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52384253 - 210 = 52383229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52384223) 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 7 ways as a sum of consecutive naturals, for example, 51413 + ... + 52421.

It is an arithmetic number, because the mean of its divisors is an integer number (6612975).

Almost surely, 252384253 is an apocalyptic number.

It is an amenable number.

52384253 is a deficient number, since it is larger than the sum of its proper divisors (519547).

52384253 is a wasteful number, since it uses less digits than its factorization.

52384253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its digits is 28800, while the sum is 32.

The square root of 52384253 is about 7237.6966639947. The cubic root of 52384253 is about 374.1682376730.

The spelling of 52384253 in words is "fifty-two million, three hundred eighty-four thousand, two hundred fifty-three".

Divisors: 1 193 269 1009 51917 194737 271421 52384253