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16970171 = 19786143
BaseRepresentation
bin100000010111…
…1000110111011
31011221011200212
41000233012323
513321021141
61403421335
7264146501
oct100570673
934834625
1016970171
119640a39
12582484b
13369232a
14237a671
1517532eb
hex102f1bb

16970171 has 4 divisors (see below), whose sum is σ = 17056512. Its totient is φ = 16883832.

The previous prime is 16970153. The next prime is 16970189. The reversal of 16970171 is 17107961.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16970153) and next prime (16970189).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16970171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16970141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42875 + ... + 43268.

It is an arithmetic number, because the mean of its divisors is an integer number (4264128).

Almost surely, 216970171 is an apocalyptic number.

16970171 is a deficient number, since it is larger than the sum of its proper divisors (86341).

16970171 is an equidigital number, since it uses as much as digits as its factorization.

16970171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86340.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 16970171 is about 4119.4867398743. The cubic root of 16970171 is about 256.9776812970.

The spelling of 16970171 in words is "sixteen million, nine hundred seventy thousand, one hundred seventy-one".

Divisors: 1 197 86143 16970171