Search a number
-
+
16040808 = 233371032
BaseRepresentation
bin111101001100…
…001101101000
31010011221212000
4331030031220
513101301213
61331451000
7253226130
oct75141550
933157760
1016040808
119066773
125456a60
133428304
1421b7ac0
15161cc73
hexf4c368

16040808 has 96 divisors (see below), whose sum is σ = 51422400. Its totient is φ = 4538592.

The previous prime is 16040803. The next prime is 16040831. The reversal of 16040808 is 80804061.

16040808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16040803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155685 + ... + 155787.

It is an arithmetic number, because the mean of its divisors is an integer number (535650).

Almost surely, 216040808 is an apocalyptic number.

16040808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16040808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25711200).

16040808 is an abundant number, since it is smaller than the sum of its proper divisors (35381592).

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

16040808 is a wasteful number, since it uses less digits than its factorization.

16040808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 16040808 is about 4005.0977516161. The cubic root of 16040808 is about 252.1982566825.

Adding to 16040808 its reverse (80804061), we get a palindrome (96844869).

The spelling of 16040808 in words is "sixteen million, forty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 103 108 126 168 189 206 216 252 309 378 412 504 618 721 756 824 927 1236 1442 1512 1854 2163 2472 2781 2884 3708 4326 5562 5768 6489 7416 8652 10609 11124 12978 17304 19467 21218 22248 25956 31827 38934 42436 51912 63654 74263 77868 84872 95481 127308 148526 155736 190962 222789 254616 286443 297052 381924 445578 572886 594104 668367 763848 891156 1145772 1336734 1782312 2005101 2291544 2673468 4010202 5346936 8020404 16040808