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16970109 = 313435131
BaseRepresentation
bin100000010111…
…1000101111101
31011221011121120
41000233011331
513321020414
61403421153
7264146352
oct100570575
934834546
1016970109
119640992
1258247b9
1336922b0
14237a629
1517532a9
hex102f17d

16970109 has 8 divisors (see below), whose sum is σ = 24367392. Its totient is φ = 10443120.

The previous prime is 16970099. The next prime is 16970117. The reversal of 16970109 is 90107961.

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

It is not a de Polignac number, because 16970109 - 29 = 16969597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16970109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970189) 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, 217527 + ... + 217604.

It is an arithmetic number, because the mean of its divisors is an integer number (3045924).

Almost surely, 216970109 is an apocalyptic number.

It is an amenable number.

16970109 is a deficient number, since it is larger than the sum of its proper divisors (7397283).

16970109 is a wasteful number, since it uses less digits than its factorization.

16970109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435147.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 16970109 is about 4119.4792146581. The cubic root of 16970109 is about 256.9773683433.

The spelling of 16970109 in words is "sixteen million, nine hundred seventy thousand, one hundred nine".

Divisors: 1 3 13 39 435131 1305393 5656703 16970109