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52143276 = 22329149837
BaseRepresentation
bin1100011011101…
…0010010101100
310122010011010110
43012322102230
5101322041101
65101340020
71202132133
oct306722254
9118104113
1052143276
1127485019
1215567610
13aa58b13
146cd491a
15489ecd6
hex31ba4ac

52143276 has 24 divisors (see below), whose sum is σ = 125863920. Its totient is φ = 16781632.

The previous prime is 52143251. The next prime is 52143313. The reversal of 52143276 is 67234125.

52143276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 74571 + ... + 75266.

It is an arithmetic number, because the mean of its divisors is an integer number (5244330).

Almost surely, 252143276 is an apocalyptic number.

It is an amenable number.

52143276 is an abundant number, since it is smaller than the sum of its proper divisors (73720644).

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

52143276 is a wasteful number, since it uses less digits than its factorization.

52143276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149873 (or 149871 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 52143276 is about 7221.0301204191. The cubic root of 52143276 is about 373.5936085397.

The spelling of 52143276 in words is "fifty-two million, one hundred forty-three thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 149837 299674 449511 599348 899022 1798044 4345273 8690546 13035819 17381092 26071638 52143276