Search a number
-
+
2823172 = 2211219307
BaseRepresentation
bin1010110001010000000100
312022102122221
422301100010
51210320142
6140302124
732665552
oct12612004
95272587
102823172
111659100
12b41944
1377b021
14536bd2
153ab767
hex2b1404

2823172 has 36 divisors (see below), whose sum is σ = 5734960. Its totient is φ = 1211760.

The previous prime is 2823167. The next prime is 2823193. The reversal of 2823172 is 2713282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9043 + ... + 9349.

22823172 is an apocalyptic number.

2823172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2823172 is an abundant number, since it is smaller than the sum of its proper divisors (2911788).

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

2823172 is a wasteful number, since it uses less digits than its factorization.

2823172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 339 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 2823172 is about 1680.2297461954. The cubic root of 2823172 is about 141.3337165252. Note that the first 3 decimals are identical.

The spelling of 2823172 in words is "two million, eight hundred twenty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 11 19 22 38 44 76 121 209 242 307 418 484 614 836 1228 2299 3377 4598 5833 6754 9196 11666 13508 23332 37147 64163 74294 128326 148588 256652 705793 1411586 2823172