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53529471 = 331982573
BaseRepresentation
bin1100110000110…
…0101101111111
310201201120122000
43030030231333
5102200420341
65151153343
71216664412
oct314145577
9121646560
1053529471
1128241536
1215b15853
13b122a58
147175b79
154a758b6
hex330cb7f

53529471 has 8 divisors (see below), whose sum is σ = 79302960. Its totient is φ = 35686296.

The previous prime is 53529457. The next prime is 53529473. The reversal of 53529471 is 17492535.

It is not a de Polignac number, because 53529471 - 218 = 53267327 is a prime.

It is a super-3 number, since 3×535294713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53529473) 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, 991260 + ... + 991313.

It is an arithmetic number, because the mean of its divisors is an integer number (9912870).

Almost surely, 253529471 is an apocalyptic number.

53529471 is a deficient number, since it is larger than the sum of its proper divisors (25773489).

53529471 is a wasteful number, since it uses less digits than its factorization.

53529471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982582 (or 1982576 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 53529471 is about 7316.3837378858. The cubic root of 53529471 is about 376.8752785820.

The spelling of 53529471 in words is "fifty-three million, five hundred twenty-nine thousand, four hundred seventy-one".

Divisors: 1 3 9 27 1982573 5947719 17843157 53529471