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42287296 = 261738867
BaseRepresentation
bin1010000101010…
…0000011000000
32221120102021011
42201110003000
541311143141
64110210304
71022302402
oct241240300
987512234
1042287296
1121963087
12121b3994
1389b798c
14588ab72
153aa4881
hex28540c0

42287296 has 28 divisors (see below), whose sum is σ = 88852248. Its totient is φ = 19899392.

The previous prime is 42287281. The next prime is 42287299. The reversal of 42287296 is 69278224.

It is not an unprimeable number, because it can be changed into a prime (42287299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18346 + ... + 20521.

Almost surely, 242287296 is an apocalyptic number.

It is an amenable number.

42287296 is an abundant number, since it is smaller than the sum of its proper divisors (46564952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42287296 is a wasteful number, since it uses less digits than its factorization.

42287296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896 (or 38886 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 42287296 is about 6502.8682902239. The cubic root of 42287296 is about 348.3934423612.

The spelling of 42287296 in words is "forty-two million, two hundred eighty-seven thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 38867 77734 155468 310936 621872 660739 1243744 1321478 2487488 2642956 5285912 10571824 21143648 42287296