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47584871 is a prime number
BaseRepresentation
bin1011010110000…
…1011001100111
310022112120011122
42311201121213
544140203441
64415524155
71115315255
oct265413147
9108476148
1047584871
1124951244
1213b2965b
139b21039
1464695d5
15429e34b
hex2d61667

47584871 has 2 divisors, whose sum is σ = 47584872. Its totient is φ = 47584870.

The previous prime is 47584841. The next prime is 47584897. The reversal of 47584871 is 17848574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47584871 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47584811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23792435 + 23792436.

It is an arithmetic number, because the mean of its divisors is an integer number (23792436).

Almost surely, 247584871 is an apocalyptic number.

47584871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47584871 is an equidigital number, since it uses as much as digits as its factorization.

47584871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 47584871 is about 6898.1788176301. The cubic root of 47584871 is about 362.3733899498.

The spelling of 47584871 in words is "forty-seven million, five hundred eighty-four thousand, eight hundred seventy-one".