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427728058 = 21712580237
BaseRepresentation
bin11001011111101…
…001110010111010
31002210211211120221
4121133221302322
51333444244213
6110235410254
713412425402
oct3137516272
91083754527
10427728058
111aa49446a
12bb2b398a
136a7cc434
1440b41802
152783e38d
hex197e9cba

427728058 has 8 divisors (see below), whose sum is σ = 679332852. Its totient is φ = 201283776.

The previous prime is 427728053. The next prime is 427728071. The reversal of 427728058 is 850827724.

It can be written as a sum of positive squares in 2 ways, for example, as 420127009 + 7601049 = 20497^2 + 2757^2 .

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

It is a super-3 number, since 3×4277280583 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (427728053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6290085 + ... + 6290152.

Almost surely, 2427728058 is an apocalyptic number.

427728058 is a deficient number, since it is larger than the sum of its proper divisors (251604794).

427728058 is a wasteful number, since it uses less digits than its factorization.

427728058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12580256.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 427728058 is about 20681.5874148964. The cubic root of 427728058 is about 753.4525608579.

The spelling of 427728058 in words is "four hundred twenty-seven million, seven hundred twenty-eight thousand, fifty-eight".

Divisors: 1 2 17 34 12580237 25160474 213864029 427728058