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52149543 = 338234547
BaseRepresentation
bin1100011011101…
…1110100100111
310122010110201120
43012323310213
5101322241133
65101425023
71202156325
oct306736447
9118113646
1052149543
11274897a6
121556b173
13aa5b924
146cd6d15
1548a1ab3
hex31bbd27

52149543 has 8 divisors (see below), whose sum is σ = 69566208. Its totient is φ = 34749624.

The previous prime is 52149491. The next prime is 52149551. The reversal of 52149543 is 34594125.

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

It is not a de Polignac number, because 52149543 - 210 = 52148519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52149563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9196 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (8695776).

Almost surely, 252149543 is an apocalyptic number.

52149543 is a deficient number, since it is larger than the sum of its proper divisors (17416665).

52149543 is a wasteful number, since it uses less digits than its factorization.

52149543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373.

The product of its digits is 21600, while the sum is 33.

The square root of 52149543 is about 7221.4640482384. The cubic root of 52149543 is about 373.6085751058.

The spelling of 52149543 in words is "fifty-two million, one hundred forty-nine thousand, five hundred forty-three".

Divisors: 1 3 3823 4547 11469 13641 17383181 52149543