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16011044 = 227281689
BaseRepresentation
bin111101000100…
…111100100100
31010010110000122
4331010330210
513044323134
61331101112
7253043300
oct75047444
933113018
1016011044
119046375
125441798
1334178ba
1421aad00
15161402e
hexf44f24

16011044 has 18 divisors (see below), whose sum is σ = 32594310. Its totient is φ = 6861792.

The previous prime is 16011031. The next prime is 16011049. The reversal of 16011044 is 44011061.

16011044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15697444 + 313600 = 3962^2 + 560^2 .

It is not an unprimeable number, because it can be changed into a prime (16011049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40649 + ... + 41040.

It is an arithmetic number, because the mean of its divisors is an integer number (1810795).

Almost surely, 216011044 is an apocalyptic number.

16011044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16011044 is an abundant number, since it is smaller than the sum of its proper divisors (16583266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16011044 is a wasteful number, since it uses less digits than its factorization.

16011044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81707 (or 81698 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16011044 is about 4001.3802618596. The cubic root of 16011044 is about 252.0421740114.

Adding to 16011044 its sum of digits (17), we get a palindrome (16011061).

The spelling of 16011044 in words is "sixteen million, eleven thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 81689 163378 326756 571823 1143646 2287292 4002761 8005522 16011044