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16970769 = 33628547
BaseRepresentation
bin100000010111…
…1010000010001
31011221012112000
41000233100101
513321031034
61403424213
7264151314
oct100572021
934835460
1016970769
119641432
125825069
13369269a
14237a97b
151753599
hex102f411

16970769 has 8 divisors (see below), whose sum is σ = 25141920. Its totient is φ = 11313828.

The previous prime is 16970731. The next prime is 16970773. The reversal of 16970769 is 96707961.

It is not a de Polignac number, because 16970769 - 29 = 16970257 is a prime.

It is a super-2 number, since 2×169707692 = 576014000902722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16970719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314247 + ... + 314300.

It is an arithmetic number, because the mean of its divisors is an integer number (3142740).

Almost surely, 216970769 is an apocalyptic number.

It is an amenable number.

16970769 is a deficient number, since it is larger than the sum of its proper divisors (8171151).

16970769 is an equidigital number, since it uses as much as digits as its factorization.

16970769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628556 (or 628550 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 16970769 is about 4119.5593210925. The cubic root of 16970769 is about 256.9806997472.

The spelling of 16970769 in words is "sixteen million, nine hundred seventy thousand, seven hundred sixty-nine".

Divisors: 1 3 9 27 628547 1885641 5656923 16970769