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52740471 = 372511451
BaseRepresentation
bin1100100100110…
…0000101110111
310200020111022210
43021030011313
5102000143341
65122224503
71210200210
oct311140567
9120214283
1052740471
1127852773
12157b5133
13ac078a4
14700c407
15496bc16
hex324c177

52740471 has 8 divisors (see below), whose sum is σ = 80366464. Its totient is φ = 30137400.

The previous prime is 52740463. The next prime is 52740497. The reversal of 52740471 is 17404725.

52740471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52740471 - 23 = 52740463 is a prime.

It is a super-3 number, since 3×527404713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52740461) by changing a digit.

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, 1255705 + ... + 1255746.

It is an arithmetic number, because the mean of its divisors is an integer number (10045808).

Almost surely, 252740471 is an apocalyptic number.

52740471 is a deficient number, since it is larger than the sum of its proper divisors (27625993).

52740471 is a wasteful number, since it uses less digits than its factorization.

52740471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511461.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 52740471 is about 7262.2634901248. The cubic root of 52740471 is about 375.0144492210.

The spelling of 52740471 in words is "fifty-two million, seven hundred forty thousand, four hundred seventy-one".

Divisors: 1 3 7 21 2511451 7534353 17580157 52740471