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206953033 = 729564719
BaseRepresentation
bin11000101010111…
…01101001001001
3112102102022012011
430111131221021
5410434444113
632311415521
75062033420
oct1425355111
9472368164
10206953033
11a6901971
12593845a1
1333b50021
141d6b22b7
151327e63d
hexc55da49

206953033 has 4 divisors (see below), whose sum is σ = 236517760. Its totient is φ = 177388308.

The previous prime is 206953013. The next prime is 206953039. The reversal of 206953033 is 330359602.

206953033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206953033 - 29 = 206952521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206952986 and 206953004.

It is not an unprimeable number, because it can be changed into a prime (206953039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14782353 + ... + 14782366.

It is an arithmetic number, because the mean of its divisors is an integer number (59129440).

Almost surely, 2206953033 is an apocalyptic number.

It is an amenable number.

206953033 is a deficient number, since it is larger than the sum of its proper divisors (29564727).

206953033 is an equidigital number, since it uses as much as digits as its factorization.

206953033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29564726.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 206953033 is about 14385.8622612619. The cubic root of 206953033 is about 591.5034270644.

The spelling of 206953033 in words is "two hundred six million, nine hundred fifty-three thousand, thirty-three".

Divisors: 1 7 29564719 206953033