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16970471 = 717142609
BaseRepresentation
bin100000010111…
…1001011100111
31011221012002222
41000233023213
513321023341
61403422555
7264150410
oct100571347
934835088
1016970471
119641191
125824a5b
1336924cb
14237a807
15175344b
hex102f2e7

16970471 has 8 divisors (see below), whose sum is σ = 20535840. Its totient is φ = 13690368.

The previous prime is 16970467. The next prime is 16970507. The reversal of 16970471 is 17407961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16970471 - 22 = 16970467 is a prime.

It is a super-3 number, since 3×169704713 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970411) 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 7 ways as a sum of consecutive naturals, for example, 71186 + ... + 71423.

It is an arithmetic number, because the mean of its divisors is an integer number (2566980).

Almost surely, 216970471 is an apocalyptic number.

16970471 is a deficient number, since it is larger than the sum of its proper divisors (3565369).

16970471 is a wasteful number, since it uses less digits than its factorization.

16970471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142633.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 16970471 is about 4119.5231520165. The cubic root of 16970471 is about 256.9791955785.

The spelling of 16970471 in words is "sixteen million, nine hundred seventy thousand, four hundred seventy-one".

Divisors: 1 7 17 119 142609 998263 2424353 16970471