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47517089 is a prime number
BaseRepresentation
bin1011010101000…
…0110110100001
310022102010012012
42311100312201
544131021324
64414242305
71114613534
oct265206641
9108363165
1047517089
1124905324
1213ab6395
139ac9229
14644ca1b
15428920e
hex2d50da1

47517089 has 2 divisors, whose sum is σ = 47517090. Its totient is φ = 47517088.

The previous prime is 47517053. The next prime is 47517121. The reversal of 47517089 is 98071574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 14569489 = 5740^2 + 3817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47517089 is a prime.

It is not a weakly prime, because it can be changed into another prime (47517049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23758544 + 23758545.

It is an arithmetic number, because the mean of its divisors is an integer number (23758545).

Almost surely, 247517089 is an apocalyptic number.

It is an amenable number.

47517089 is a deficient number, since it is larger than the sum of its proper divisors (1).

47517089 is an equidigital number, since it uses as much as digits as its factorization.

47517089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 47517089 is about 6893.2640309218. The cubic root of 47517089 is about 362.2012479474.

The spelling of 47517089 in words is "forty-seven million, five hundred seventeen thousand, eighty-nine".