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16968485 = 57346489
BaseRepresentation
bin100000010111…
…0101100100101
31011221002101102
41000232230211
513320442420
61403405445
7264141542
oct100565445
934832342
1016968485
11963a746
125823885
133691631
142379bc9
151752a75
hex102eb25

16968485 has 8 divisors (see below), whose sum is σ = 20641560. Its totient is φ = 13388544.

The previous prime is 16968481. The next prime is 16968491. The reversal of 16968485 is 58486961.

It can be written as a sum of positive squares in 4 ways, for example, as 1555009 + 15413476 = 1247^2 + 3926^2 .

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 16968485 - 22 = 16968481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22880 + ... + 23609.

It is an arithmetic number, because the mean of its divisors is an integer number (2580195).

Almost surely, 216968485 is an apocalyptic number.

It is an amenable number.

16968485 is a deficient number, since it is larger than the sum of its proper divisors (3673075).

16968485 is an equidigital number, since it uses as much as digits as its factorization.

16968485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46567.

The product of its digits is 414720, while the sum is 47.

The square root of 16968485 is about 4119.2820976476. The cubic root of 16968485 is about 256.9691707027.

The spelling of 16968485 in words is "sixteen million, nine hundred sixty-eight thousand, four hundred eighty-five".

Divisors: 1 5 73 365 46489 232445 3393697 16968485