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42481434 = 2315146889
BaseRepresentation
bin1010001000001…
…1011100011010
32221221021120110
42202003130122
541333401214
64114305150
71024041402
oct242033432
987837513
1042481434
1121a85a26
12122881b6
138a55158
1458db802
153ae2159
hex288371a

42481434 has 16 divisors (see below), whose sum is σ = 85527360. Its totient is φ = 14066400.

The previous prime is 42481427. The next prime is 42481447. The reversal of 42481434 is 43418424.

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, 22539 + ... + 24350.

It is an arithmetic number, because the mean of its divisors is an integer number (5345460).

Almost surely, 242481434 is an apocalyptic number.

42481434 is an abundant number, since it is smaller than the sum of its proper divisors (43045926).

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

42481434 is a wasteful number, since it uses less digits than its factorization.

42481434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47045.

The product of its digits is 12288, while the sum is 30.

The square root of 42481434 is about 6517.7783024586. The cubic root of 42481434 is about 348.9257784765.

Adding to 42481434 its reverse (43418424), we get a palindrome (85899858).

The spelling of 42481434 in words is "forty-two million, four hundred eighty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 151 302 453 906 46889 93778 140667 281334 7080239 14160478 21240717 42481434