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47533642 = 2131828217
BaseRepresentation
bin1011010101010…
…0111001001010
310022102221220021
42311110321022
544132034032
64414451054
71115013022
oct265247112
9108387807
1047533642
1124916802
1213b03a8a
139b03920
146454a82
15428e097
hex2d54e4a

47533642 has 8 divisors (see below), whose sum is σ = 76785156. Its totient is φ = 21938592.

The previous prime is 47533621. The next prime is 47533667. The reversal of 47533642 is 24633574.

47533642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 4879681 = 6531^2 + 2209^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 47533598 and 47533607.

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 3 ways as a sum of consecutive naturals, for example, 914083 + ... + 914134.

Almost surely, 247533642 is an apocalyptic number.

47533642 is a deficient number, since it is larger than the sum of its proper divisors (29251514).

47533642 is a wasteful number, since it uses less digits than its factorization.

47533642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828232.

The product of its digits is 60480, while the sum is 34.

The square root of 47533642 is about 6894.4645912500. The cubic root of 47533642 is about 362.2433017384.

The spelling of 47533642 in words is "forty-seven million, five hundred thirty-three thousand, six hundred forty-two".

Divisors: 1 2 13 26 1828217 3656434 23766821 47533642