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70019 is a prime number
BaseRepresentation
bin10001000110000011
310120001022
4101012003
54220034
61300055
7411065
oct210603
9116038
1070019
1148674
123462b
1325b41
141b735
1515b2e
hex11183

70019 has 2 divisors, whose sum is σ = 70020. Its totient is φ = 70018.

The previous prime is 70009. The next prime is 70039. The reversal of 70019 is 91007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70019 - 24 = 70003 is a prime.

It is a super-2 number, since 2×700192 = 9805320722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69979 and 70006.

It is not a weakly prime, because it can be changed into another prime (70009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35009 + 35010.

It is an arithmetic number, because the mean of its divisors is an integer number (35010).

270019 is an apocalyptic number.

70019 is a deficient number, since it is larger than the sum of its proper divisors (1).

70019 is an equidigital number, since it uses as much as digits as its factorization.

70019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 70019 is about 264.6110352952. The cubic root of 70019 is about 41.2165814427.

The spelling of 70019 in words is "seventy thousand, nineteen".