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47221683 = 3113139297
BaseRepresentation
bin1011010000100…
…0101110110011
310021212002222020
42310020232303
544042043213
64404042523
71112243355
oct264105663
9107762866
1047221683
1124723393
1213993443
139a24932
1463b30d5
15422b923
hex2d08bb3

47221683 has 8 divisors (see below), whose sum is σ = 63519888. Its totient is φ = 31202304.

The previous prime is 47221679. The next prime is 47221687. The reversal of 47221683 is 38612274.

47221683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47221679) and next prime (47221687).

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

It is not a de Polignac number, because 47221683 - 22 = 47221679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47221687) by changing a digit.

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, 69310 + ... + 69987.

It is an arithmetic number, because the mean of its divisors is an integer number (7939986).

Almost surely, 247221683 is an apocalyptic number.

47221683 is a deficient number, since it is larger than the sum of its proper divisors (16298205).

47221683 is a wasteful number, since it uses less digits than its factorization.

47221683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139413.

The product of its digits is 16128, while the sum is 33.

The square root of 47221683 is about 6871.8034750712. The cubic root of 47221683 is about 361.4491050900.

It can be divided in two parts, 472 and 21683, that added together give a triangular number (22155 = T210).

The spelling of 47221683 in words is "forty-seven million, two hundred twenty-one thousand, six hundred eighty-three".

Divisors: 1 3 113 339 139297 417891 15740561 47221683