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42205132 = 2230734369
BaseRepresentation
bin1010000011111…
…1111111001100
32221102020120001
42200333333030
541301031012
64104334044
71021511014
oct240777714
987366501
1042205132
1121907382
1212174324
138989468
145868c44
153a8a357
hex283ffcc

42205132 has 12 divisors (see below), whose sum is σ = 74101720. Its totient is φ = 21033216.

The previous prime is 42205129. The next prime is 42205133. The reversal of 42205132 is 23150224.

It is not an unprimeable number, because it can be changed into a prime (42205133) 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, 15957 + ... + 18412.

Almost surely, 242205132 is an apocalyptic number.

It is an amenable number.

42205132 is a deficient number, since it is larger than the sum of its proper divisors (31896588).

42205132 is a wasteful number, since it uses less digits than its factorization.

42205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34680 (or 34678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42205132 is about 6496.5476985858. The cubic root of 42205132 is about 348.1676538367.

Adding to 42205132 its reverse (23150224), we get a palindrome (65355356).

The spelling of 42205132 in words is "forty-two million, two hundred five thousand, one hundred thirty-two".

Divisors: 1 2 4 307 614 1228 34369 68738 137476 10551283 21102566 42205132