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47257373 is a prime number
BaseRepresentation
bin1011010001000…
…1011100011101
310021220220221002
42310101130131
544044213443
64404520045
71112452412
oct264213435
9107826832
1047257373
1124748189
12139b0025
139a37c57
1463c2109
1542372b8
hex2d1171d

47257373 has 2 divisors, whose sum is σ = 47257374. Its totient is φ = 47257372.

The previous prime is 47257369. The next prime is 47257381. The reversal of 47257373 is 37375274.

47257373 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 can be written as a sum of positive squares in only one way, i.e., 46963609 + 293764 = 6853^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 47257373 - 22 = 47257369 is a prime.

It is a super-2 number, since 2×472573732 = 4466518605722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47257393) 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, 23628686 + 23628687.

It is an arithmetic number, because the mean of its divisors is an integer number (23628687).

Almost surely, 247257373 is an apocalyptic number.

It is an amenable number.

47257373 is a deficient number, since it is larger than the sum of its proper divisors (1).

47257373 is an equidigital number, since it uses as much as digits as its factorization.

47257373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 38.

The square root of 47257373 is about 6874.3998283487. The cubic root of 47257373 is about 361.5401428588.

The spelling of 47257373 in words is "forty-seven million, two hundred fifty-seven thousand, three hundred seventy-three".