Search a number
-
+
200811929 = 1071876747
BaseRepresentation
bin10111111100000…
…10010110011001
3111222212022011212
423332002112121
5402401440204
631532032505
74655605343
oct1376022631
9458768155
10200811929
11a3397a7a
1257302735
13327aca36
141c954293
1512969c6e
hexbf82599

200811929 has 4 divisors (see below), whose sum is σ = 202688784. Its totient is φ = 198935076.

The previous prime is 200811911. The next prime is 200811959. The reversal of 200811929 is 929118002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 929118002 = 2464559001.

It is a cyclic number.

It is not a de Polignac number, because 200811929 - 28 = 200811673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200811895 and 200811904.

It is not an unprimeable number, because it can be changed into a prime (200811959) 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, 938267 + ... + 938480.

It is an arithmetic number, because the mean of its divisors is an integer number (50672196).

Almost surely, 2200811929 is an apocalyptic number.

It is an amenable number.

200811929 is a deficient number, since it is larger than the sum of its proper divisors (1876855).

200811929 is a wasteful number, since it uses less digits than its factorization.

200811929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876854.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 200811929 is about 14170.8125737376. The cubic root of 200811929 is about 585.5938440971.

The spelling of 200811929 in words is "two hundred million, eight hundred eleven thousand, nine hundred twenty-nine".

Divisors: 1 107 1876747 200811929