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47065390 = 254706539
BaseRepresentation
bin1011001110001…
…0100100101110
310021120011120121
42303202210232
544022043030
64400435154
71111022611
oct263424456
9107504517
1047065390
1124626a19
1213918aba
13999b758
146372178
1541ea47a
hex2ce292e

47065390 has 8 divisors (see below), whose sum is σ = 84717720. Its totient is φ = 18826152.

The previous prime is 47065351. The next prime is 47065393. The reversal of 47065390 is 9356074.

47065390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47065393) 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 3 ways as a sum of consecutive naturals, for example, 2353260 + ... + 2353279.

It is an arithmetic number, because the mean of its divisors is an integer number (10589715).

Almost surely, 247065390 is an apocalyptic number.

47065390 is a deficient number, since it is larger than the sum of its proper divisors (37652330).

47065390 is a wasteful number, since it uses less digits than its factorization.

47065390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706546.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 47065390 is about 6860.4219986820. The cubic root of 47065390 is about 361.0498929667.

The spelling of 47065390 in words is "forty-seven million, sixty-five thousand, three hundred ninety".

Divisors: 1 2 5 10 4706539 9413078 23532695 47065390