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427017011 = 2318565957
BaseRepresentation
bin11001011100111…
…100001100110011
31002202111201012212
4121130330030303
51333304021021
6110212242335
713403404361
oct3134741463
91082451185
10427017011
111aa049223
12bb0103ab
136a6108b5
14409d8631
152774d85b
hex1973c333

427017011 has 4 divisors (see below), whose sum is σ = 445582992. Its totient is φ = 408451032.

The previous prime is 427016969. The next prime is 427017023. The reversal of 427017011 is 110710724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427017011 - 210 = 427015987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 18565957 = 427017011 / (4 + 2 + 7 + 0 + 1 + 7 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427017061) 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, 9282956 + ... + 9283001.

It is an arithmetic number, because the mean of its divisors is an integer number (111395748).

Almost surely, 2427017011 is an apocalyptic number.

427017011 is a deficient number, since it is larger than the sum of its proper divisors (18565981).

427017011 is a wasteful number, since it uses less digits than its factorization.

427017011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18565980.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 427017011 is about 20664.3899256668. The cubic root of 427017011 is about 753.0348208823.

Adding to 427017011 its reverse (110710724), we get a palindrome (537727735).

The spelling of 427017011 in words is "four hundred twenty-seven million, seventeen thousand, eleven".

Divisors: 1 23 18565957 427017011