Search a number
-
+
199036223 = 251792973
BaseRepresentation
bin10111101110100…
…00110100111111
3111212112002100222
423313100310333
5401423124343
631430011555
74634531351
oct1367206477
9455462328
10199036223
11a2394951
12567a6bbb
133230a719
141c6110d1
1512718a68
hexbdd0d3f

199036223 has 4 divisors (see below), whose sum is σ = 199829448. Its totient is φ = 198243000.

The previous prime is 199036219. The next prime is 199036247. The reversal of 199036223 is 322630991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322630991 = 1097294103.

It is a cyclic number.

It is not a de Polignac number, because 199036223 - 22 = 199036219 is a prime.

It is a super-3 number, since 3×1990362233 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199036423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396236 + ... + 396737.

It is an arithmetic number, because the mean of its divisors is an integer number (49957362).

Almost surely, 2199036223 is an apocalyptic number.

199036223 is a deficient number, since it is larger than the sum of its proper divisors (793225).

199036223 is an equidigital number, since it uses as much as digits as its factorization.

199036223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793224.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 199036223 is about 14108.0198114406. The cubic root of 199036223 is about 583.8626676749.

The spelling of 199036223 in words is "one hundred ninety-nine million, thirty-six thousand, two hundred twenty-three".

Divisors: 1 251 792973 199036223