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426432307 = 71091972837
BaseRepresentation
bin11001011010101…
…101011100110011
31002201102000011011
4121122231130303
51333131313212
6110151531351
713365420610
oct3132553463
91081360134
10426432307
111a97899a4
12ba989b57
136a467712
14408c5507
15276854a7
hex196ad733

426432307 has 16 divisors (see below), whose sum is σ = 494493120. Its totient is φ = 360194688.

The previous prime is 426432271. The next prime is 426432323. The reversal of 426432307 is 703234624.

It is not a de Polignac number, because 426432307 - 27 = 426432179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426432107) 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 15 ways as a sum of consecutive naturals, for example, 148893 + ... + 151729.

It is an arithmetic number, because the mean of its divisors is an integer number (30905820).

Almost surely, 2426432307 is an apocalyptic number.

426432307 is a deficient number, since it is larger than the sum of its proper divisors (68060813).

426432307 is a wasteful number, since it uses less digits than its factorization.

426432307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 426432307 is about 20650.2374562619. The cubic root of 426432307 is about 752.6909598036.

The spelling of 426432307 in words is "four hundred twenty-six million, four hundred thirty-two thousand, three hundred seven".

Divisors: 1 7 109 197 763 1379 2837 19859 21473 150311 309233 558889 2164631 3912223 60918901 426432307