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47343641 = 103459647
BaseRepresentation
bin1011010010011…
…0100000011001
310022002022021012
42310212200121
544104444031
64410423305
71113262052
oct264464031
9108068235
1047343641
11247a6a84
1213a31b35
139a682b7
146405729
154252b2b
hex2d26819

47343641 has 4 divisors (see below), whose sum is σ = 47803392. Its totient is φ = 46883892.

The previous prime is 47343629. The next prime is 47343661. The reversal of 47343641 is 14634374.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14634374 = 27317187.

It is a cyclic number.

It is not a de Polignac number, because 47343641 - 26 = 47343577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47343598 and 47343607.

It is not an unprimeable number, because it can be changed into a prime (47343661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229721 + ... + 229926.

It is an arithmetic number, because the mean of its divisors is an integer number (11950848).

Almost surely, 247343641 is an apocalyptic number.

It is an amenable number.

47343641 is a deficient number, since it is larger than the sum of its proper divisors (459751).

47343641 is a wasteful number, since it uses less digits than its factorization.

47343641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459750.

The product of its digits is 24192, while the sum is 32.

The square root of 47343641 is about 6880.6715515275. The cubic root of 47343641 is about 361.7600054513.

The spelling of 47343641 in words is "forty-seven million, three hundred forty-three thousand, six hundred forty-one".

Divisors: 1 103 459647 47343641