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70117 is a prime number
BaseRepresentation
bin10001000111100101
310120011221
4101013211
54220432
61300341
7411265
oct210745
9116157
1070117
1148753
12346b1
1325bb8
141b7a5
1515b97
hex111e5

70117 has 2 divisors, whose sum is σ = 70118. Its totient is φ = 70116.

The previous prime is 70111. The next prime is 70121. The reversal of 70117 is 71107.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57121 + 12996 = 239^2 + 114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70111) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35058 + 35059.

It is an arithmetic number, because the mean of its divisors is an integer number (35059).

270117 is an apocalyptic number.

It is an amenable number.

70117 is a deficient number, since it is larger than the sum of its proper divisors (1).

70117 is an equidigital number, since it uses as much as digits as its factorization.

70117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 70117 is about 264.7961480082. The cubic root of 70117 is about 41.2358016638.

Subtracting 70117 from its reverse (71107), we obtain a triangular number (990 = T44).

The spelling of 70117 in words is "seventy thousand, one hundred seventeen", and thus it is an iban number.