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427518057 = 3178382707
BaseRepresentation
bin11001011110110…
…110100001101001
31002210110011112010
4121132312201221
51333421034212
6110231110133
713410562221
oct3136664151
91083404463
10427518057
111aa36070a
12bb212349
136a757985
1440ac9081
15277ec03c
hex197b6869

427518057 has 8 divisors (see below), whose sum is σ = 603554976. Its totient is φ = 268246592.

The previous prime is 427518041. The next prime is 427518067. The reversal of 427518057 is 750815724.

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 427518057 - 24 = 427518041 is a prime.

It is a super-2 number, since 2×4275180572 = 365543378122110498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427518037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4191303 + ... + 4191404.

It is an arithmetic number, because the mean of its divisors is an integer number (75444372).

Almost surely, 2427518057 is an apocalyptic number.

It is an amenable number.

427518057 is a deficient number, since it is larger than the sum of its proper divisors (176036919).

427518057 is a wasteful number, since it uses less digits than its factorization.

427518057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382727.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 427518057 is about 20676.5097876794. The cubic root of 427518057 is about 753.3292335164.

The spelling of 427518057 in words is "four hundred twenty-seven million, five hundred eighteen thousand, fifty-seven".

Divisors: 1 3 17 51 8382707 25148121 142506019 427518057