Search a number
-
+
197793852 = 22316482821
BaseRepresentation
bin10111100101000…
…01100000111100
3111210011222011020
423302201200330
5401113400402
631343224140
74621135314
oct1362414074
9453158136
10197793852
11a17164a3
12562a8050
1331c940a9
141c3aa444
15125708bc
hexbca183c

197793852 has 12 divisors (see below), whose sum is σ = 461519016. Its totient is φ = 65931280.

The previous prime is 197793847. The next prime is 197793853. The reversal of 197793852 is 258397791.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 197793795 and 197793804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197793853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8241399 + ... + 8241422.

It is an arithmetic number, because the mean of its divisors is an integer number (38459918).

Almost surely, 2197793852 is an apocalyptic number.

197793852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197793852 is an abundant number, since it is smaller than the sum of its proper divisors (263725164).

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

197793852 is a wasteful number, since it uses less digits than its factorization.

197793852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16482828 (or 16482826 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The square root of 197793852 is about 14063.9202216167. The cubic root of 197793852 is about 582.6453205063.

The spelling of 197793852 in words is "one hundred ninety-seven million, seven hundred ninety-three thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 16482821 32965642 49448463 65931284 98896926 197793852