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16984445 = 517211947
BaseRepresentation
bin100000011001…
…0100101111101
31011221220021112
41000302211331
513322000240
61404011405
7264236222
oct100624575
934856245
1016984445
119650735
125830b65
13369898a
142381949
151757665
hex103297d

16984445 has 16 divisors (see below), whose sum is σ = 21705408. Its totient is φ = 12714240.

The previous prime is 16984439. The next prime is 16984453. The reversal of 16984445 is 54448961.

It is not a de Polignac number, because 16984445 - 26 = 16984381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17462 + ... + 18408.

It is an arithmetic number, because the mean of its divisors is an integer number (1356588).

Almost surely, 216984445 is an apocalyptic number.

It is an amenable number.

16984445 is a deficient number, since it is larger than the sum of its proper divisors (4720963).

16984445 is a wasteful number, since it uses less digits than its factorization.

16984445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its digits is 138240, while the sum is 41.

The square root of 16984445 is about 4121.2188731005. The cubic root of 16984445 is about 257.0497110458.

The spelling of 16984445 in words is "sixteen million, nine hundred eighty-four thousand, four hundred forty-five".

Divisors: 1 5 17 85 211 947 1055 3587 4735 16099 17935 80495 199817 999085 3396889 16984445