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206425235 = 5118734781
BaseRepresentation
bin11000100110111…
…00110010010011
3112101102111012002
430103130302103
5410321101420
632252224215
75054404562
oct1423346223
9471374162
10206425235
11a6581375
125916b06b
13339c6a13
141d5b5bd9
15131c8075
hexc4dcc93

206425235 has 8 divisors (see below), whose sum is σ = 247926096. Its totient is φ = 164996320.

The previous prime is 206425229. The next prime is 206425259. The reversal of 206425235 is 532524602.

206425235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 206425235 - 212 = 206421139 is a prime.

It is a super-2 number, since 2×2064252352 = 85222755289610450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206425198 and 206425207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456 + ... + 23325.

It is an arithmetic number, because the mean of its divisors is an integer number (30990762).

Almost surely, 2206425235 is an apocalyptic number.

206425235 is a deficient number, since it is larger than the sum of its proper divisors (41500861).

206425235 is a wasteful number, since it uses less digits than its factorization.

206425235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35973.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 206425235 is about 14367.5062206355. The cubic root of 206425235 is about 591.0001565120. Note that the first 3 decimals are identical.

Adding to 206425235 its reverse (532524602), we get a palindrome (738949837).

The spelling of 206425235 in words is "two hundred six million, four hundred twenty-five thousand, two hundred thirty-five".

Divisors: 1 5 1187 5935 34781 173905 41285047 206425235