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52385763 = 361293977
BaseRepresentation
bin1100011111010…
…1011111100011
310122120110202110
43013311133203
5101402321023
65110450403
71204162113
oct307653743
9118513673
1052385763
1127630221
1215663a03
13ab122c1
146d59043
1548eba93
hex31f57e3

52385763 has 16 divisors (see below), whose sum is σ = 71307936. Its totient is φ = 34199040.

The previous prime is 52385737. The next prime is 52385779. The reversal of 52385763 is 36758325.

It is not a de Polignac number, because 52385763 - 28 = 52385507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52385063) 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, 53131 + ... + 54107.

It is an arithmetic number, because the mean of its divisors is an integer number (4456746).

Almost surely, 252385763 is an apocalyptic number.

52385763 is a deficient number, since it is larger than the sum of its proper divisors (18922173).

52385763 is a wasteful number, since it uses less digits than its factorization.

52385763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 151200, while the sum is 39.

The square root of 52385763 is about 7237.8009781977. The cubic root of 52385763 is about 374.1718328285.

The spelling of 52385763 in words is "fifty-two million, three hundred eighty-five thousand, seven hundred sixty-three".

Divisors: 1 3 61 183 293 879 977 2931 17873 53619 59597 178791 286261 858783 17461921 52385763