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205412529 = 379781549
BaseRepresentation
bin11000011111001…
…01100010110001
3112022112001000110
430033211202301
5410041200104
632214411533
75042656230
oct1417454261
9468461013
10205412529
11a5a4a523
1258960ba9
1333730a9a
141d3d0b17
1513077e89
hexc3e58b1

205412529 has 8 divisors (see below), whose sum is σ = 313009600. Its totient is φ = 117378576.

The previous prime is 205412507. The next prime is 205412551. The reversal of 205412529 is 925214502.

205412529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205412507) and next prime (205412551).

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

It is not a de Polignac number, because 205412529 - 215 = 205379761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205412496 and 205412505.

It is not an unprimeable number, because it can be changed into a prime (205412579) 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, 4890754 + ... + 4890795.

It is an arithmetic number, because the mean of its divisors is an integer number (39126200).

Almost surely, 2205412529 is an apocalyptic number.

It is an amenable number.

205412529 is a deficient number, since it is larger than the sum of its proper divisors (107597071).

205412529 is an equidigital number, since it uses as much as digits as its factorization.

205412529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781559.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 205412529 is about 14332.2199606342. The cubic root of 205412529 is about 590.0321049273.

The spelling of 205412529 in words is "two hundred five million, four hundred twelve thousand, five hundred twenty-nine".

Divisors: 1 3 7 21 9781549 29344647 68470843 205412529