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47253289 is a prime number
BaseRepresentation
bin1011010001000…
…0011100101001
310021220201022211
42310100130221
544044101124
64404445121
71112434456
oct264203451
9107821284
1047253289
1124745106
12139a97a1
139a36135
1463c082d
154235e94
hex2d10729

47253289 has 2 divisors, whose sum is σ = 47253290. Its totient is φ = 47253288.

The previous prime is 47253287. The next prime is 47253299. The reversal of 47253289 is 98235274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 4481689 = 6540^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 47253289 - 21 = 47253287 is a prime.

Together with 47253287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47253287) 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 as a sum of consecutive naturals, namely, 23626644 + 23626645.

It is an arithmetic number, because the mean of its divisors is an integer number (23626645).

Almost surely, 247253289 is an apocalyptic number.

It is an amenable number.

47253289 is a deficient number, since it is larger than the sum of its proper divisors (1).

47253289 is an equidigital number, since it uses as much as digits as its factorization.

47253289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 47253289 is about 6874.1027778176. The cubic root of 47253289 is about 361.5297277469.

The spelling of 47253289 in words is "forty-seven million, two hundred fifty-three thousand, two hundred eighty-nine".