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47420494 = 2112155477
BaseRepresentation
bin1011010011100…
…1010001001110
310022020012200121
42310321101032
544114423434
64412215154
71114032112
oct264712116
9108205617
1047420494
11248497a0
1213a6a4ba
139a94284
146425742
15426a7b4
hex2d3944e

47420494 has 8 divisors (see below), whose sum is σ = 77597208. Its totient is φ = 21554760.

The previous prime is 47420491. The next prime is 47420507. The reversal of 47420494 is 49402474.

47420494 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 (47420491) 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, 1077717 + ... + 1077760.

It is an arithmetic number, because the mean of its divisors is an integer number (9699651).

Almost surely, 247420494 is an apocalyptic number.

47420494 is a deficient number, since it is larger than the sum of its proper divisors (30176714).

47420494 is a wasteful number, since it uses less digits than its factorization.

47420494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155490.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 47420494 is about 6886.2539889261. The cubic root of 47420494 is about 361.9556481381.

The spelling of 47420494 in words is "forty-seven million, four hundred twenty thousand, four hundred ninety-four".

Divisors: 1 2 11 22 2155477 4310954 23710247 47420494