Search a number
-
+
199190392 = 2343357503
BaseRepresentation
bin10111101111101…
…10011101111000
3111212210220211221
423313312131320
5401443043032
631433201424
74636043002
oct1367663570
9455726757
10199190392
11a248a765
1256860274
133236294b
141c651372
1512749597
hexbdf6778

199190392 has 16 divisors (see below), whose sum is σ = 374351040. Its totient is φ = 99363456.

The previous prime is 199190389. The next prime is 199190413. The reversal of 199190392 is 293091991.

It is a super-2 number, since 2×1991903922 = 79353624530227328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25288 + ... + 32215.

It is an arithmetic number, because the mean of its divisors is an integer number (23396940).

Almost surely, 2199190392 is an apocalyptic number.

It is an amenable number.

199190392 is a deficient number, since it is larger than the sum of its proper divisors (175160648).

199190392 is a wasteful number, since it uses less digits than its factorization.

199190392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57942 (or 57938 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 199190392 is about 14113.4826318666. The cubic root of 199190392 is about 584.0133777507.

The spelling of 199190392 in words is "one hundred ninety-nine million, one hundred ninety thousand, three hundred ninety-two".

Divisors: 1 2 4 8 433 866 1732 3464 57503 115006 230012 460024 24898799 49797598 99595196 199190392