Search a number
-
+
206502101 = 1319979823
BaseRepresentation
bin11000100111011…
…11100011010101
3112101120101121222
430103233203111
5410331031401
632254020125
75055144641
oct1423574325
9471511558
10206502101
11a66240a3
12591a7645
1333a229c0
141d5d5c21
15131e0c1b
hexc4ef8d5

206502101 has 8 divisors (see below), whose sum is σ = 223507200. Its totient is φ = 189657072.

The previous prime is 206502053. The next prime is 206502103. The reversal of 206502101 is 101205602.

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

It is a cyclic number.

It is not a de Polignac number, because 206502101 - 210 = 206501077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206502101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206502103) 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, 37325 + ... + 42498.

It is an arithmetic number, because the mean of its divisors is an integer number (27938400).

Almost surely, 2206502101 is an apocalyptic number.

It is an amenable number.

206502101 is a deficient number, since it is larger than the sum of its proper divisors (17005099).

206502101 is a wasteful number, since it uses less digits than its factorization.

206502101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80035.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 206502101 is about 14370.1809661535. The cubic root of 206502101 is about 591.0735037791.

Adding to 206502101 its reverse (101205602), we get a palindrome (307707703).

The spelling of 206502101 in words is "two hundred six million, five hundred two thousand, one hundred one".

Divisors: 1 13 199 2587 79823 1037699 15884777 206502101