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16814080 = 2125821
BaseRepresentation
bin100000000100…
…1000000000000
31011122020120201
41000021000000
513301022310
61400214544
7262626433
oct100110000
934566521
1016814080
119544738
12576a454
13363927a
14233981a
151721e3a
hex1009000

16814080 has 52 divisors (see below), whose sum is σ = 40398012. Its totient is φ = 6717440.

The previous prime is 16814033. The next prime is 16814089. The reversal of 16814080 is 8041861.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 11505664 = 2304^2 + 3392^2 .

It is not an unprimeable number, because it can be changed into a prime (16814089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20070 + ... + 20890.

Almost surely, 216814080 is an apocalyptic number.

16814080 is a gapful number since it is divisible by the number (10) 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 16814080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20199006).

16814080 is an abundant number, since it is smaller than the sum of its proper divisors (23583932).

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

16814080 is an frugal number, since it uses more digits than its factorization.

16814080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 16814080 is about 4100.4975307882. The cubic root of 16814080 is about 256.1873628383.

The spelling of 16814080 in words is "sixteen million, eight hundred fourteen thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 821 1024 1280 1642 2048 2560 3284 4096 4105 5120 6568 8210 10240 13136 16420 20480 26272 32840 52544 65680 105088 131360 210176 262720 420352 525440 840704 1050880 1681408 2101760 3362816 4203520 8407040 16814080