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205422044 = 22376713633
BaseRepresentation
bin11000011111001…
…11110111011100
3112022112112001212
430033213313130
5410042001134
632214523552
75043026042
oct1417476734
9468475055
10205422044
11a5a56693
12589665b8
1333735209
141d3d4392
151307abce
hexc3e7ddc

205422044 has 12 divisors (see below), whose sum is σ = 359610384. Its totient is φ = 102676224.

The previous prime is 205422029. The next prime is 205422079. The reversal of 205422044 is 440224502.

It is a super-2 number, since 2×2054220442 = 84396432322275872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8252 + ... + 21884.

It is an arithmetic number, because the mean of its divisors is an integer number (29967532).

Almost surely, 2205422044 is an apocalyptic number.

It is an amenable number.

205422044 is a deficient number, since it is larger than the sum of its proper divisors (154188340).

205422044 is a wasteful number, since it uses less digits than its factorization.

205422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404 (or 17402 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 205422044 is about 14332.5519011794. The cubic root of 205422044 is about 590.0412151616.

Adding to 205422044 its reverse (440224502), we get a palindrome (645646546).

The spelling of 205422044 in words is "two hundred five million, four hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 3767 7534 13633 15068 27266 54532 51355511 102711022 205422044