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47000449 is a prime number
BaseRepresentation
bin1011001101001…
…0101110000001
310021102212111101
42303102232001
544013003244
64355214401
71110332356
oct263225601
9107385441
1047000449
1124592151
12138a7401
139978022
14635662d
1541d60d4
hex2cd2b81

47000449 has 2 divisors, whose sum is σ = 47000450. Its totient is φ = 47000448.

The previous prime is 47000413. The next prime is 47000479. The reversal of 47000449 is 94400074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34433424 + 12567025 = 5868^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 47000449 - 27 = 47000321 is a prime.

It is not a weakly prime, because it can be changed into another prime (47000479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500224 + 23500225.

It is an arithmetic number, because the mean of its divisors is an integer number (23500225).

Almost surely, 247000449 is an apocalyptic number.

It is an amenable number.

47000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000449 is an equidigital number, since it uses as much as digits as its factorization.

47000449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47000449 is about 6855.6873470134. The cubic root of 47000449 is about 360.8837572038.

The spelling of 47000449 in words is "forty-seven million, four hundred forty-nine", and thus it is an aban number.