Search a number
-
+
206472203 = 729496029
BaseRepresentation
bin11000100111010…
…00010000001011
3112101111212121122
430103220100023
5410324102303
632253225455
75054661530
oct1423502013
9471455548
10206472203
11a6603693
125919228b
1333a12202
141d5c8d87
15131d6e38
hexc4e840b

206472203 has 4 divisors (see below), whose sum is σ = 235968240. Its totient is φ = 176976168.

The previous prime is 206472067. The next prime is 206472209. The reversal of 206472203 is 302274602.

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

It is a cyclic number.

It is not a de Polignac number, because 206472203 - 212 = 206468107 is a prime.

It is a super-2 number, since 2×2064722032 = 85261541223346418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206472209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14748008 + ... + 14748021.

It is an arithmetic number, because the mean of its divisors is an integer number (58992060).

Almost surely, 2206472203 is an apocalyptic number.

206472203 is a deficient number, since it is larger than the sum of its proper divisors (29496037).

206472203 is an equidigital number, since it uses as much as digits as its factorization.

206472203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29496036.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 206472203 is about 14369.1406493221. The cubic root of 206472203 is about 591.0449765979.

The spelling of 206472203 in words is "two hundred six million, four hundred seventy-two thousand, two hundred three".

Divisors: 1 7 29496029 206472203