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87350047 is a prime number
BaseRepresentation
bin1010011010011…
…01101100011111
320002100211201221
411031031230133
5134330200142
612400114211
72110314601
oct515155437
9202324657
1087350047
1145341424
1225305967
1315134a25
14b85b171
157a06767
hex534db1f

87350047 has 2 divisors, whose sum is σ = 87350048. Its totient is φ = 87350046.

The previous prime is 87350041. The next prime is 87350083. The reversal of 87350047 is 74005378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87350047 - 27 = 87349919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87349994 and 87350021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87350041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43675023 + 43675024.

It is an arithmetic number, because the mean of its divisors is an integer number (43675024).

Almost surely, 287350047 is an apocalyptic number.

87350047 is a deficient number, since it is larger than the sum of its proper divisors (1).

87350047 is an equidigital number, since it uses as much as digits as its factorization.

87350047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 87350047 is about 9346.1247049245. The cubic root of 87350047 is about 443.6982484910.

The spelling of 87350047 in words is "eighty-seven million, three hundred fifty thousand, forty-seven".