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47424313 = 431102891
BaseRepresentation
bin1011010011101…
…0001100111001
310022020101221001
42310322030321
544120034223
64412245001
71114046206
oct264721471
9108211831
1047424313
1124851652
1213a70761
139a95c31
146426cad
15426b9ad
hex2d3a339

47424313 has 4 divisors (see below), whose sum is σ = 48527248. Its totient is φ = 46321380.

The previous prime is 47424283. The next prime is 47424319. The reversal of 47424313 is 31342474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47424313 - 25 = 47424281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47424319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551403 + ... + 551488.

It is an arithmetic number, because the mean of its divisors is an integer number (12131812).

Almost surely, 247424313 is an apocalyptic number.

47424313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47424313 is a deficient number, since it is larger than the sum of its proper divisors (1102935).

47424313 is a wasteful number, since it uses less digits than its factorization.

47424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102934.

The product of its digits is 8064, while the sum is 28.

The square root of 47424313 is about 6886.5312748872. The cubic root of 47424313 is about 361.9653645525.

Adding to 47424313 its reverse (31342474), we get a palindrome (78766787).

The spelling of 47424313 in words is "forty-seven million, four hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 43 1102891 47424313