Search a number
-
+
205937043 = 3135280437
BaseRepresentation
bin11000100011001…
…01100110010011
3112100111200111220
430101211212103
5410204441133
632233540123
75050302354
oct1421454623
9470450456
10205937043
11a6278604
1258b74643
1333885750
141d4c9d2b
151312d5b3
hexc465993

205937043 has 8 divisors (see below), whose sum is σ = 295704528. Its totient is φ = 126730464.

The previous prime is 205937041. The next prime is 205937063. The reversal of 205937043 is 340739502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205937043 - 21 = 205937041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205936995 and 205937013.

It is not an unprimeable number, because it can be changed into a prime (205937041) 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 7 ways as a sum of consecutive naturals, for example, 2640180 + ... + 2640257.

It is an arithmetic number, because the mean of its divisors is an integer number (36963066).

Almost surely, 2205937043 is an apocalyptic number.

205937043 is a deficient number, since it is larger than the sum of its proper divisors (89767485).

205937043 is a wasteful number, since it uses less digits than its factorization.

205937043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280453.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 205937043 is about 14350.5067157923. The cubic root of 205937043 is about 590.5338871350.

The spelling of 205937043 in words is "two hundred five million, nine hundred thirty-seven thousand, forty-three".

Divisors: 1 3 13 39 5280437 15841311 68645681 205937043