Search a number
-
+
16808058 = 232933781
BaseRepresentation
bin100000000011…
…1100001111010
31011121221022200
41000013201322
513300324213
61400131030
7262603041
oct100074172
934557280
1016808058
119540163
125766a76
1336365c7
142337558
151720273
hex100787a

16808058 has 12 divisors (see below), whose sum is σ = 36417498. Its totient is φ = 5602680.

The previous prime is 16808047. The next prime is 16808059. The reversal of 16808058 is 85080861.

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 7969329 = 2973^2 + 2823^2 .

It is a super-3 number, since 3×168080583 (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16808059) 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, 466873 + ... + 466908.

Almost surely, 216808058 is an apocalyptic number.

16808058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16808058 is an abundant number, since it is smaller than the sum of its proper divisors (19609440).

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

16808058 is a wasteful number, since it uses less digits than its factorization.

16808058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933789 (or 933786 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 16808058 is about 4099.7631638913. The cubic root of 16808058 is about 256.1567744957.

The spelling of 16808058 in words is "sixteen million, eight hundred eight thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 933781 1867562 2801343 5602686 8404029 16808058