Search a number
-
+
16683225 = 3521371241
BaseRepresentation
bin111111101001…
…000011011001
31011101121002020
4333221003121
513232330400
61353325053
7261543066
oct77510331
934347066
1016683225
119465399
125706789
1335c1840
142303c6d
1516e82a0
hexfe90d9

16683225 has 48 divisors (see below), whose sum is σ = 30248064. Its totient is φ = 8064000.

The previous prime is 16683221. The next prime is 16683229. The reversal of 16683225 is 52238661.

It is an interprime number because it is at equal distance from previous prime (16683221) and next prime (16683229).

It is not a de Polignac number, because 16683225 - 22 = 16683221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16683221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69105 + ... + 69345.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 216683225 is an apocalyptic number.

16683225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16683225 is a deficient number, since it is larger than the sum of its proper divisors (13564839).

16683225 is a wasteful number, since it uses less digits than its factorization.

16683225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 333 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 16683225 is about 4084.5103745737. The cubic root of 16683225 is about 255.5210415127.

The spelling of 16683225 in words is "sixteen million, six hundred eighty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 71 75 195 213 241 325 355 723 923 975 1065 1205 1775 2769 3133 3615 4615 5325 6025 9399 13845 15665 17111 18075 23075 46995 51333 69225 78325 85555 222443 234975 256665 427775 667329 1112215 1283325 3336645 5561075 16683225