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52056142 = 21741107349
BaseRepresentation
bin1100011010010…
…1000001001110
310121221201121021
43012211001032
5101311244032
65055424354
71201320115
oct306450116
9117851537
1052056142
1127425606
12155250ba
13aa28268
146cb0c7c
154884097
hex31a504e

52056142 has 32 divisors (see below), whose sum is σ = 85730400. Its totient is φ = 23608320.

The previous prime is 52056133. The next prime is 52056149. The reversal of 52056142 is 24165025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52056149) 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 15 ways as a sum of consecutive naturals, for example, 148984 + ... + 149332.

It is an arithmetic number, because the mean of its divisors is an integer number (2679075).

Almost surely, 252056142 is an apocalyptic number.

52056142 is a deficient number, since it is larger than the sum of its proper divisors (33674258).

52056142 is a wasteful number, since it uses less digits than its factorization.

52056142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52056142 is about 7214.9942480920. The cubic root of 52056142 is about 373.3853947026.

The spelling of 52056142 in words is "fifty-two million, fifty-six thousand, one hundred forty-two".

Divisors: 1 2 17 34 41 82 107 214 349 697 698 1394 1819 3638 4387 5933 8774 11866 14309 28618 37343 74579 74686 149158 243253 486506 634831 1269662 1531063 3062126 26028071 52056142