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47630390 = 2518732543
BaseRepresentation
bin1011010110110…
…0100000110110
310022121212121112
42311230200312
544143133030
64420515022
71115565053
oct265544066
9108555545
1047630390
1124982465
1213b4ba72
139b38982
14647c02a
1542aca95
hex2d6c836

47630390 has 16 divisors (see below), whose sum is σ = 85814208. Its totient is φ = 19034496.

The previous prime is 47630389. The next prime is 47630417. The reversal of 47630390 is 9303674.

47630390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17459 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (5363388).

Almost surely, 247630390 is an apocalyptic number.

47630390 is a deficient number, since it is larger than the sum of its proper divisors (38183818).

47630390 is a wasteful number, since it uses less digits than its factorization.

47630390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 47630390 is about 6901.4773780691. The cubic root of 47630390 is about 362.4889001754.

The spelling of 47630390 in words is "forty-seven million, six hundred thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 1873 2543 3746 5086 9365 12715 18730 25430 4763039 9526078 23815195 47630390