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52505571 = 3171029521
BaseRepresentation
bin1100100001001…
…0101111100011
310122210120002210
43020102233203
5101420134241
65113213203
71205201316
oct310225743
9118716083
1052505571
1127702238
1215701203
13ab549b1
146d8a97d
154922316
hex3212be3

52505571 has 8 divisors (see below), whose sum is σ = 74125584. Its totient is φ = 32944640.

The previous prime is 52505513. The next prime is 52505587. The reversal of 52505571 is 17550525.

52505571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52505571 - 26 = 52505507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52505501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514710 + ... + 514811.

It is an arithmetic number, because the mean of its divisors is an integer number (9265698).

Almost surely, 252505571 is an apocalyptic number.

52505571 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52505571 is a deficient number, since it is larger than the sum of its proper divisors (21620013).

52505571 is a wasteful number, since it uses less digits than its factorization.

52505571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029541.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 52505571 is about 7246.0727984198. The cubic root of 52505571 is about 374.4568634982.

The spelling of 52505571 in words is "fifty-two million, five hundred five thousand, five hundred seventy-one".

Divisors: 1 3 17 51 1029521 3088563 17501857 52505571