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427542163 = 1743584873
BaseRepresentation
bin11001011110111…
…100011010010011
31002210111101120221
4121132330122103
51333422322123
6110231413511
713411022416
oct3136743223
91083441527
10427542163
111aa377834
12bb224297
136a765939
1440ad3b7d
152780425d
hex197bc693

427542163 has 8 divisors (see below), whose sum is σ = 463220208. Its totient is φ = 393033984.

The previous prime is 427542133. The next prime is 427542179. The reversal of 427542163 is 361245724.

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 427542163 - 29 = 427541651 is a prime.

It is a super-2 number, since 2×4275421632 = 365584602285437138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427542113) 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 7 ways as a sum of consecutive naturals, for example, 291706 + ... + 293167.

It is an arithmetic number, because the mean of its divisors is an integer number (57902526).

Almost surely, 2427542163 is an apocalyptic number.

427542163 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

427542163 is a deficient number, since it is larger than the sum of its proper divisors (35678045).

427542163 is a wasteful number, since it uses less digits than its factorization.

427542163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584933.

The product of its digits is 40320, while the sum is 34.

The square root of 427542163 is about 20677.0927115008. The cubic root of 427542163 is about 753.3433923048.

Adding to 427542163 its reverse (361245724), we get a palindrome (788787887).

The spelling of 427542163 in words is "four hundred twenty-seven million, five hundred forty-two thousand, one hundred sixty-three".

Divisors: 1 17 43 731 584873 9942841 25149539 427542163