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47349793 = 413972909
BaseRepresentation
bin1011010010100…
…0000000100001
310022002121201001
42310220000201
544110143133
64410512001
71113316021
oct264500041
9108077631
1047349793
1124800667
1213a35601
139a6b03a
146407a81
15425487d
hex2d28021

47349793 has 8 divisors (see below), whose sum is σ = 48643560. Its totient is φ = 46062720.

The previous prime is 47349769. The next prime is 47349823. The reversal of 47349793 is 39794374.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7306209 + 40043584 = 2703^2 + 6328^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47349793 - 25 = 47349761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47349733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14823 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (6080445).

Almost surely, 247349793 is an apocalyptic number.

It is an amenable number.

47349793 is a deficient number, since it is larger than the sum of its proper divisors (1293767).

47349793 is a wasteful number, since it uses less digits than its factorization.

47349793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its digits is 571536, while the sum is 46.

The square root of 47349793 is about 6881.1185863928. The cubic root of 47349793 is about 361.7756742304.

The spelling of 47349793 in words is "forty-seven million, three hundred forty-nine thousand, seven hundred ninety-three".

Divisors: 1 41 397 2909 16277 119269 1154873 47349793