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52847142 = 2315756101
BaseRepresentation
bin1100100110011…
…0001000100110
310200102220122120
43021212020212
5102012102032
65124410410
71211123205
oct311461046
9120386576
1052847142
1127915927
1215846a06
13ac442ca
14703923c
15498d62c
hex3266226

52847142 has 16 divisors (see below), whose sum is σ = 106369392. Its totient is φ = 17503200.

The previous prime is 52847141. The next prime is 52847149. The reversal of 52847142 is 24174825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52847141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27109 + ... + 28992.

It is an arithmetic number, because the mean of its divisors is an integer number (6648087).

Almost surely, 252847142 is an apocalyptic number.

52847142 is an abundant number, since it is smaller than the sum of its proper divisors (53522250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52847142 is a wasteful number, since it uses less digits than its factorization.

52847142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56263.

The product of its digits is 17920, while the sum is 33.

The square root of 52847142 is about 7269.6039782095. The cubic root of 52847142 is about 375.2671092508.

The spelling of 52847142 in words is "fifty-two million, eight hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 157 314 471 942 56101 112202 168303 336606 8807857 17615714 26423571 52847142