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42633625 = 531929619
BaseRepresentation
bin1010001010100…
…0100110011001
32222020000100011
42202220212121
541403234000
64121441521
71025244166
oct242504631
988200304
1042633625
112207a301
12123402a1
138aa94c8
14593b06d
153b222ba
hex28a8999

42633625 has 32 divisors (see below), whose sum is σ = 58032000. Its totient is φ = 31147200.

The previous prime is 42633607. The next prime is 42633629. The reversal of 42633625 is 52633624.

It is a happy number.

It is not a de Polignac number, because 42633625 - 25 = 42633593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42633629) 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 31 ways as a sum of consecutive naturals, for example, 68566 + ... + 69184.

It is an arithmetic number, because the mean of its divisors is an integer number (1813500).

Almost surely, 242633625 is an apocalyptic number.

It is an amenable number.

42633625 is a deficient number, since it is larger than the sum of its proper divisors (15398375).

42633625 is a wasteful number, since it uses less digits than its factorization.

42633625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 672 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 42633625 is about 6529.4429318281. The cubic root of 42633625 is about 349.3419608671.

Subtracting 42633625 from its reverse (52633624), we obtain a palindrome (9999999).

The spelling of 42633625 in words is "forty-two million, six hundred thirty-three thousand, six hundred twenty-five".

Divisors: 1 5 19 25 29 95 125 145 475 551 619 725 2375 2755 3095 3625 11761 13775 15475 17951 58805 68875 77375 89755 294025 341069 448775 1470125 1705345 2243875 8526725 42633625