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42555460 = 22517911887
BaseRepresentation
bin1010001001010…
…1100001000100
32222002001010011
42202111201010
541343233320
64120040004
71024500253
oct242254104
988061104
1042555460
1122026602
1212303004
138a7ca5c
14591a79a
153b0905a
hex2895844

42555460 has 24 divisors (see below), whose sum is σ = 89873280. Its totient is φ = 16925664.

The previous prime is 42555427. The next prime is 42555473. The reversal of 42555460 is 6455524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (3744720).

Almost surely, 242555460 is an apocalyptic number.

It is an amenable number.

42555460 is an abundant number, since it is smaller than the sum of its proper divisors (47317820).

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

42555460 is a wasteful number, since it uses less digits than its factorization.

42555460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075 (or 12073 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 42555460 is about 6523.4546062650. The cubic root of 42555460 is about 349.1283343435.

The spelling of 42555460 in words is "forty-two million, five hundred fifty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 11887 23774 47548 59435 118870 237740 2127773 4255546 8511092 10638865 21277730 42555460