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52385403 = 372494543
BaseRepresentation
bin1100011111010…
…1011001111011
310122120110021010
43013311121323
5101402313103
65110445003
71204161060
oct307653173
9118513233
1052385403
112762aa24
1215663763
13ab120a5
146d58c67
1548eb903
hex31f567b

52385403 has 8 divisors (see below), whose sum is σ = 79825408. Its totient is φ = 29934504.

The previous prime is 52385393. The next prime is 52385407. The reversal of 52385403 is 30458325.

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

It is not a de Polignac number, because 52385403 - 24 = 52385387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52385407) 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, 1247251 + ... + 1247292.

It is an arithmetic number, because the mean of its divisors is an integer number (9978176).

Almost surely, 252385403 is an apocalyptic number.

52385403 is a deficient number, since it is larger than the sum of its proper divisors (27440005).

52385403 is a wasteful number, since it uses less digits than its factorization.

52385403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494553.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52385403 is about 7237.7761087229. The cubic root of 52385403 is about 374.1709757116.

The spelling of 52385403 in words is "fifty-two million, three hundred eighty-five thousand, four hundred three".

Divisors: 1 3 7 21 2494543 7483629 17461801 52385403