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42656360 = 2351066409
BaseRepresentation
bin1010001010111…
…0001001101000
32222021011112012
42202232021220
541410000420
64122135052
71025400365
oct242561150
988234465
1042656360
112209539a
1212351488
138ab6966
14594546c
153b28dc5
hex28ae268

42656360 has 16 divisors (see below), whose sum is σ = 95976900. Its totient is φ = 17062528.

The previous prime is 42656357. The next prime is 42656381. The reversal of 42656360 is 6365624.

It can be written as a sum of positive squares in 2 ways, for example, as 37283236 + 5373124 = 6106^2 + 2318^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533165 + ... + 533244.

Almost surely, 242656360 is an apocalyptic number.

42656360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42656360 is an abundant number, since it is smaller than the sum of its proper divisors (53320540).

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

42656360 is a wasteful number, since it uses less digits than its factorization.

42656360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066420 (or 1066416 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 42656360 is about 6531.1836599502. The cubic root of 42656360 is about 349.4040470578.

The spelling of 42656360 in words is "forty-two million, six hundred fifty-six thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1066409 2132818 4265636 5332045 8531272 10664090 21328180 42656360