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87048571 is a prime number
BaseRepresentation
bin1010011000001…
…00000101111011
320001210112012011
411030010011323
5134241023241
612345430351
72104620631
oct514040573
9201715164
1087048571
1145155975
122519b3b7
131505a73c
14b7bd351
157997281
hex530417b

87048571 has 2 divisors, whose sum is σ = 87048572. Its totient is φ = 87048570.

The previous prime is 87048553. The next prime is 87048581. The reversal of 87048571 is 17584078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87048571 - 223 = 78659963 is a prime.

It is not a weakly prime, because it can be changed into another prime (87048581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43524285 + 43524286.

It is an arithmetic number, because the mean of its divisors is an integer number (43524286).

Almost surely, 287048571 is an apocalyptic number.

87048571 is a deficient number, since it is larger than the sum of its proper divisors (1).

87048571 is an equidigital number, since it uses as much as digits as its factorization.

87048571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 87048571 is about 9329.9823686864. The cubic root of 87048571 is about 443.1872067574.

The spelling of 87048571 in words is "eighty-seven million, forty-eight thousand, five hundred seventy-one".