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16944853 = 371572917
BaseRepresentation
bin100000010100…
…0111011010101
31011212212222011
41000220323111
513314213403
61403104221
7264012622
oct100507325
934785864
1016944853
119623a12
125812071
133683953
142371349
15174aa6d
hex1028ed5

16944853 has 8 divisors (see below), whose sum is σ = 17519672. Its totient is φ = 16376256.

The previous prime is 16944847. The next prime is 16944857. The reversal of 16944853 is 35844961.

It can be written as a sum of positive squares in 4 ways, for example, as 10195249 + 6749604 = 3193^2 + 2598^2 .

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 16944853 - 29 = 16944341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944857) 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, 4351 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (2189959).

Almost surely, 216944853 is an apocalyptic number.

It is an amenable number.

16944853 is a deficient number, since it is larger than the sum of its proper divisors (574819).

16944853 is a wasteful number, since it uses less digits than its factorization.

16944853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its digits is 103680, while the sum is 40.

The square root of 16944853 is about 4116.4126372365. The cubic root of 16944853 is about 256.8498216709.

The spelling of 16944853 in words is "sixteen million, nine hundred forty-four thousand, eight hundred fifty-three".

Divisors: 1 37 157 2917 5809 107929 457969 16944853