Search a number
-
+
16044885 = 345173229
BaseRepresentation
bin111101001101…
…001101010101
31010012011110000
4331031031111
513101414020
61331521513
7253244043
oct75151525
933164400
1016044885
11906983a
125459299
13342a11c
1421b9393
15161e090
hexf4d355

16044885 has 40 divisors (see below), whose sum is σ = 29054520. Its totient is φ = 8470656.

The previous prime is 16044877. The next prime is 16044893. The reversal of 16044885 is 58844061.

16044885 is a `hidden beast` number, since 1 + 604 + 48 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16044877) and next prime (16044893).

It can be written as a sum of positive squares in 4 ways, for example, as 8608356 + 7436529 = 2934^2 + 2727^2 .

It is not a de Polignac number, because 16044885 - 23 = 16044877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69951 + ... + 70179.

It is an arithmetic number, because the mean of its divisors is an integer number (726363).

Almost surely, 216044885 is an apocalyptic number.

16044885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16044885 is a deficient number, since it is larger than the sum of its proper divisors (13009635).

16044885 is a wasteful number, since it uses less digits than its factorization.

16044885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 16044885 is about 4005.6066956205. The cubic root of 16044885 is about 252.2196214664.

The spelling of 16044885 in words is "sixteen million, forty-four thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 173 229 405 519 687 865 1145 1557 2061 2595 3435 4671 6183 7785 10305 14013 18549 23355 30915 39617 70065 92745 118851 198085 356553 594255 1069659 1782765 3208977 5348295 16044885