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42041205 = 3251949171
BaseRepresentation
bin1010000001011…
…1111101110101
32221002220200200
42200113331311
541230304310
64101031113
71020226053
oct240277565
987086620
1042041205
11218051a8
12120b5499
13892c96b
1458251d3
153a569c0
hex2817f75

42041205 has 24 divisors (see below), whose sum is σ = 76708320. Its totient is φ = 21241440.

The previous prime is 42041183. The next prime is 42041231. The reversal of 42041205 is 50214024.

42041205 is a `hidden beast` number, since 420 + 41 + 205 = 666.

It is not a de Polignac number, because 42041205 - 25 = 42041173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23731 + ... + 25440.

It is an arithmetic number, because the mean of its divisors is an integer number (3196180).

Almost surely, 242041205 is an apocalyptic number.

42041205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42041205 is a deficient number, since it is larger than the sum of its proper divisors (34667115).

42041205 is a wasteful number, since it uses less digits than its factorization.

42041205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49201 (or 49198 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42041205 is about 6483.9189538427. The cubic root of 42041205 is about 347.7163016822.

Adding to 42041205 its reverse (50214024), we get a palindrome (92255229).

The spelling of 42041205 in words is "forty-two million, forty-one thousand, two hundred five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 49171 147513 245855 442539 737565 934249 2212695 2802747 4671245 8408241 14013735 42041205