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42553580 = 2252127679
BaseRepresentation
bin1010001001010…
…1000011101100
32222001221112112
42202111003230
541343203310
64120023152
71024461626
oct242250354
988057475
1042553580
1122025153
1212301ab8
138a7bc44
145919c16
153b08705
hex28950ec

42553580 has 12 divisors (see below), whose sum is σ = 89362560. Its totient is φ = 17021424.

The previous prime is 42553561. The next prime is 42553583. The reversal of 42553580 is 8535524.

It is not an unprimeable number, because it can be changed into a prime (42553583) by changing a digit.

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, 1063820 + ... + 1063859.

It is an arithmetic number, because the mean of its divisors is an integer number (7446880).

Almost surely, 242553580 is an apocalyptic number.

It is an amenable number.

42553580 is an abundant number, since it is smaller than the sum of its proper divisors (46808980).

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

42553580 is a wasteful number, since it uses less digits than its factorization.

42553580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127688 (or 2127686 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 42553580 is about 6523.3105092430. The cubic root of 42553580 is about 349.1231930452.

The spelling of 42553580 in words is "forty-two million, five hundred fifty-three thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2127679 4255358 8510716 10638395 21276790 42553580