Search a number
-
+
196505512 = 2373509027
BaseRepresentation
bin10111011011001…
…10111110101000
3111200202111212221
423231212332220
5400301134022
631255443424
74604161240
oct1355467650
9450674787
10196505512
11a0a16555
1255986574
1331932868
141c152b20
15123b8cc7
hexbb66fa8

196505512 has 16 divisors (see below), whose sum is σ = 421083360. Its totient is φ = 84216624.

The previous prime is 196505509. The next prime is 196505513. The reversal of 196505512 is 215505691.

It is a super-2 number, since 2×1965055122 = 77228832492764288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196505513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754458 + ... + 1754569.

It is an arithmetic number, because the mean of its divisors is an integer number (26317710).

Almost surely, 2196505512 is an apocalyptic number.

It is an amenable number.

196505512 is an abundant number, since it is smaller than the sum of its proper divisors (224577848).

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

196505512 is a wasteful number, since it uses less digits than its factorization.

196505512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509040 (or 3509036 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 196505512 is about 14018.0423740264. The cubic root of 196505512 is about 581.3775342459.

The spelling of 196505512 in words is "one hundred ninety-six million, five hundred five thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 3509027 7018054 14036108 24563189 28072216 49126378 98252756 196505512