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4205493 = 332941131
BaseRepresentation
bin10000000010101110110101
321220122212000
4100002232311
52034033433
6230045513
750513625
oct20025665
97818760
104205493
112412716
1214a9899
13b43276
147b6885
15581113
hex402bb5

4205493 has 32 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 2620800.

The previous prime is 4205473. The next prime is 4205507. The reversal of 4205493 is 3945024.

It is a de Polignac number, because none of the positive numbers 2k-4205493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4205493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32038 + ... + 32168.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

Almost surely, 24205493 is an apocalyptic number.

It is an amenable number.

4205493 is a deficient number, since it is larger than the sum of its proper divisors (2447307).

4205493 is a wasteful number, since it uses less digits than its factorization.

4205493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4205493 is about 2050.7298700707. The cubic root of 4205493 is about 161.4131717668.

The spelling of 4205493 in words is "four million, two hundred five thousand, four hundred ninety-three".

Divisors: 1 3 9 27 29 41 87 123 131 261 369 393 783 1107 1179 1189 3537 3567 3799 5371 10701 11397 16113 32103 34191 48339 102573 145017 155759 467277 1401831 4205493