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205424054 = 2119337457
BaseRepresentation
bin11000011111010…
…00010110110110
3112022112121211022
430033220112312
5410042032204
632214541142
75043034643
oct1417502666
9468477738
10205424054
11a5a58150
12589677b2
13337360c4
141d3d4dca
151307b5be
hexc3e85b6

205424054 has 8 divisors (see below), whose sum is σ = 336148488. Its totient is φ = 93374560.

The previous prime is 205424053. The next prime is 205424059. The reversal of 205424054 is 450424502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205424053) 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, 4668707 + ... + 4668750.

It is an arithmetic number, because the mean of its divisors is an integer number (42018561).

Almost surely, 2205424054 is an apocalyptic number.

205424054 is a deficient number, since it is larger than the sum of its proper divisors (130724434).

205424054 is a wasteful number, since it uses less digits than its factorization.

205424054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337470.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 205424054 is about 14332.6220211097. The cubic root of 205424054 is about 590.0431396207.

Adding to 205424054 its reverse (450424502), we get a palindrome (655848556).

The spelling of 205424054 in words is "two hundred five million, four hundred twenty-four thousand, fifty-four".

Divisors: 1 2 11 22 9337457 18674914 102712027 205424054