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42530448 = 2434121611
BaseRepresentation
bin1010001000111…
…1011010010000
32222000202210210
42202033122100
541341433243
64115324120
71024334322
oct242173220
988022723
1042530448
1122009834
12122b0640
138a7155c
145911612
153b01933
hex288f690

42530448 has 40 divisors (see below), whose sum is σ = 112555296. Its totient is φ = 13830400.

The previous prime is 42530437. The next prime is 42530459. The reversal of 42530448 is 84403524.

It is an interprime number because it is at equal distance from previous prime (42530437) and next prime (42530459).

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 7 ways as a sum of consecutive naturals, for example, 8838 + ... + 12773.

Almost surely, 242530448 is an apocalyptic number.

42530448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42530448 is an abundant number, since it is smaller than the sum of its proper divisors (70024848).

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

42530448 is a wasteful number, since it uses less digits than its factorization.

42530448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21663 (or 21657 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 42530448 is about 6521.5372420925. The cubic root of 42530448 is about 349.0599208012.

The spelling of 42530448 in words is "forty-two million, five hundred thirty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 656 984 1968 21611 43222 64833 86444 129666 172888 259332 345776 518664 886051 1037328 1772102 2658153 3544204 5316306 7088408 10632612 14176816 21265224 42530448