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206141 = 13101157
BaseRepresentation
bin110010010100111101
3101110202212
4302110331
523044031
64230205
71515665
oct622475
9343685
10206141
11130971
129b365
1372aa0
14551a5
154112b
hex3253d

206141 has 8 divisors (see below), whose sum is σ = 225624. Its totient is φ = 187200.

The previous prime is 206123. The next prime is 206153. The reversal of 206141 is 141602.

It can be written as a sum of positive squares in 4 ways, for example, as 28900 + 177241 = 170^2 + 421^2 .

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

It is not a de Polignac number, because 206141 - 26 = 206077 is a prime.

It is a super-2 number, since 2×2061412 = 84988223762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206141.

It is not an unprimeable number, because it can be changed into a prime (206191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (28203).

2206141 is an apocalyptic number.

It is an amenable number.

206141 is a deficient number, since it is larger than the sum of its proper divisors (19483).

206141 is a wasteful number, since it uses less digits than its factorization.

206141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 206141 is about 454.0275322048. The cubic root of 206141 is about 59.0728774819.

Adding to 206141 its reverse (141602), we get a palindrome (347743).

The spelling of 206141 in words is "two hundred six thousand, one hundred forty-one".

Divisors: 1 13 101 157 1313 2041 15857 206141