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199103269 = 1711711957
BaseRepresentation
bin10111101111000…
…01001100100101
3111212122111100011
423313201030211
5401432301034
631431250221
74635231001
oct1367411445
9455574304
10199103269
11a2430262
1256819971
13323320b1
141c62b701
151272d864
hexbde1325

199103269 has 4 divisors (see below), whose sum is σ = 210815244. Its totient is φ = 187391296.

The previous prime is 199103263. The next prime is 199103273. The reversal of 199103269 is 962301991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172580769 + 26522500 = 13137^2 + 5150^2 .

It is a cyclic number.

It is not a de Polignac number, because 199103269 - 25 = 199103237 is a prime.

It is a super-2 number, since 2×1991032692 = 79284223452972722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199103263) 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, 5855962 + ... + 5855995.

It is an arithmetic number, because the mean of its divisors is an integer number (52703811).

Almost surely, 2199103269 is an apocalyptic number.

It is an amenable number.

199103269 is a deficient number, since it is larger than the sum of its proper divisors (11711975).

199103269 is a wasteful number, since it uses less digits than its factorization.

199103269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711974.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 199103269 is about 14110.3957775819. The cubic root of 199103269 is about 583.9282189955.

The spelling of 199103269 in words is "one hundred ninety-nine million, one hundred three thousand, two hundred sixty-nine".

Divisors: 1 17 11711957 199103269