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52042771 = 1143472341
BaseRepresentation
bin1100011010000…
…1110000010011
310121221001021001
43012201300103
5101310332041
65055242431
71201233124
oct306416023
9117831231
1052042771
1127416560
1215519417
13aa22151
146caa04b
154880131
hex31a1c13

52042771 has 16 divisors (see below), whose sum is σ = 59355648. Its totient is φ = 45208800.

The previous prime is 52042759. The next prime is 52042789. The reversal of 52042771 is 17724025.

It is a cyclic number.

It is not a de Polignac number, because 52042771 - 225 = 18488339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52042741) 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, 21061 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (3709728).

Almost surely, 252042771 is an apocalyptic number.

52042771 is a deficient number, since it is larger than the sum of its proper divisors (7312877).

52042771 is a wasteful number, since it uses less digits than its factorization.

52042771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 52042771 is about 7214.0675766172. The cubic root of 52042771 is about 373.3534230438.

Adding to 52042771 its reverse (17724025), we get a palindrome (69766796).

The spelling of 52042771 in words is "fifty-two million, forty-two thousand, seven hundred seventy-one".

Divisors: 1 11 43 47 473 517 2021 2341 22231 25751 100663 110027 1107293 1210297 4731161 52042771