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426488215 = 5791079717
BaseRepresentation
bin11001011010111…
…011000110010111
31002201111211211211
4121122323012113
51333140110330
6110153042251
713366042606
oct3132730627
91081454754
10426488215
111a98179aa
12ba9b6387
136a486cba
14408dba3d
1527696d2a
hex196bb197

426488215 has 8 divisors (see below), whose sum is σ = 518264640. Its totient is φ = 336871392.

The previous prime is 426488207. The next prime is 426488221. The reversal of 426488215 is 512884624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426488215 - 23 = 426488207 is a prime.

It is a super-4 number, since 4×4264882154 (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 539464 + ... + 540253.

It is an arithmetic number, because the mean of its divisors is an integer number (64783080).

Almost surely, 2426488215 is an apocalyptic number.

426488215 is a deficient number, since it is larger than the sum of its proper divisors (91776425).

426488215 is a wasteful number, since it uses less digits than its factorization.

426488215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079801.

The product of its digits is 122880, while the sum is 40.

The square root of 426488215 is about 20651.5911009297. The cubic root of 426488215 is about 752.7238525641.

The spelling of 426488215 in words is "four hundred twenty-six million, four hundred eighty-eight thousand, two hundred fifteen".

Divisors: 1 5 79 395 1079717 5398585 85297643 426488215