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47469739 is a prime number
BaseRepresentation
bin1011010100010…
…1010010101011
310022022201020111
42311011102223
544123012424
64413235151
71114325512
oct265052253
9108281214
1047469739
1124882799
1213a92ab7
139ab0805
146439679
15427a194
hex2d454ab

47469739 has 2 divisors, whose sum is σ = 47469740. Its totient is φ = 47469738.

The previous prime is 47469727. The next prime is 47469823. The reversal of 47469739 is 93796474.

47469739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47469739 - 25 = 47469707 is a prime.

It is a super-2 number, since 2×474697392 = 4506752241456242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47469692 and 47469701.

It is not a weakly prime, because it can be changed into another prime (47469139) 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 as a sum of consecutive naturals, namely, 23734869 + 23734870.

It is an arithmetic number, because the mean of its divisors is an integer number (23734870).

Almost surely, 247469739 is an apocalyptic number.

47469739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47469739 is an equidigital number, since it uses as much as digits as its factorization.

47469739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 47469739 is about 6889.8286626011. The cubic root of 47469739 is about 362.0808987618.

The spelling of 47469739 in words is "forty-seven million, four hundred sixty-nine thousand, seven hundred thirty-nine".