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852538487 = 1994284113
BaseRepresentation
bin110010110100001…
…011010001110111
32012102012102221112
4302310023101313
53221222212422
6220332505235
730061312643
oct6264132167
92172172845
10852538487
113a8265869
121b961b21b
13107819858
1481323c23
154eca3ee2
hex32d0b477

852538487 has 4 divisors (see below), whose sum is σ = 856822800. Its totient is φ = 848254176.

The previous prime is 852538483. The next prime is 852538513. The reversal of 852538487 is 784835258.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784835258 = 2392417629.

It is a cyclic number.

It is not a de Polignac number, because 852538487 - 22 = 852538483 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 (852538483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141858 + ... + 2142255.

It is an arithmetic number, because the mean of its divisors is an integer number (214205700).

Almost surely, 2852538487 is an apocalyptic number.

852538487 is a deficient number, since it is larger than the sum of its proper divisors (4284313).

852538487 is a wasteful number, since it uses less digits than its factorization.

852538487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284312.

The product of its digits is 2150400, while the sum is 50.

The square root of 852538487 is about 29198.2617119581. The cubic root of 852538487 is about 948.2102914204.

The spelling of 852538487 in words is "eight hundred fifty-two million, five hundred thirty-eight thousand, four hundred eighty-seven".

Divisors: 1 199 4284113 852538487