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70895087 is a prime number
BaseRepresentation
bin1000011100111…
…00010111101111
311221101211202222
410032130113233
5121122120322
611011305555
71520412134
oct416342757
9157354688
1070895087
113702258a
121b8ab2bb
13118c3073
1495b658b
156355e42
hex439c5ef

70895087 has 2 divisors, whose sum is σ = 70895088. Its totient is φ = 70895086.

The previous prime is 70895081. The next prime is 70895101. The reversal of 70895087 is 78059807.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70895087 is a prime.

It is a super-2 number, since 2×708950872 = 10052226721475138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70895081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35447543 + 35447544.

It is an arithmetic number, because the mean of its divisors is an integer number (35447544).

Almost surely, 270895087 is an apocalyptic number.

70895087 is a deficient number, since it is larger than the sum of its proper divisors (1).

70895087 is an equidigital number, since it uses as much as digits as its factorization.

70895087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 70895087 is about 8419.9220305179. The cubic root of 70895087 is about 413.8777187149.

The spelling of 70895087 in words is "seventy million, eight hundred ninety-five thousand, eighty-seven".