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424474687 = 71319383641
BaseRepresentation
bin11001010011001…
…111100000111111
31002120201112210201
4121103033200333
51332131142222
6110041544331
713342655350
oct3123174077
91076645721
10424474687
111a867212a
12ba1a50a7
1369c30670
1440535d27
15273ea427
hex194cf83f

424474687 has 32 divisors (see below), whose sum is σ = 552222720. Its totient is φ = 316846080.

The previous prime is 424474643. The next prime is 424474691. The reversal of 424474687 is 786474424.

It is a cyclic number.

It is not a de Polignac number, because 424474687 - 211 = 424472639 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424474697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661887 + ... + 662527.

It is an arithmetic number, because the mean of its divisors is an integer number (17256960).

Almost surely, 2424474687 is an apocalyptic number.

424474687 is a deficient number, since it is larger than the sum of its proper divisors (127748033).

424474687 is a wasteful number, since it uses less digits than its factorization.

424474687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 1204224, while the sum is 46.

The square root of 424474687 is about 20602.7834769965. The cubic root of 424474687 is about 751.5374016342.

The spelling of 424474687 in words is "four hundred twenty-four million, four hundred seventy-four thousand, six hundred eighty-seven".

Divisors: 1 7 13 19 91 133 247 383 641 1729 2681 4487 4979 7277 8333 12179 34853 50939 58331 85253 94601 158327 245503 662207 1108289 1718521 3191539 4664557 22340773 32651899 60639241 424474687