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47468739 = 315822913
BaseRepresentation
bin1011010100010…
…1000011000011
310022022122212110
42311011003003
544122444424
64413230403
71114322553
oct265050303
9108278773
1047468739
1124881a6a
1213a92403
139ab0216
146439163
154279c29
hex2d450c3

47468739 has 4 divisors (see below), whose sum is σ = 63291656. Its totient is φ = 31645824.

The previous prime is 47468717. The next prime is 47468741. The reversal of 47468739 is 93786474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47468739 - 28 = 47468483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47468749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7911454 + ... + 7911459.

It is an arithmetic number, because the mean of its divisors is an integer number (15822914).

Almost surely, 247468739 is an apocalyptic number.

47468739 is a deficient number, since it is larger than the sum of its proper divisors (15822917).

47468739 is a wasteful number, since it uses less digits than its factorization.

47468739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822916.

The product of its digits is 1016064, while the sum is 48.

The square root of 47468739 is about 6889.7560914738. The cubic root of 47468739 is about 362.0783562056.

The spelling of 47468739 in words is "forty-seven million, four hundred sixty-eight thousand, seven hundred thirty-nine".

Divisors: 1 3 15822913 47468739