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427471 = 1138861
BaseRepresentation
bin1101000010111001111
3210201101021
41220113033
5102134341
613055011
73430162
oct1502717
9721337
10427471
11272190
12187467
1311c755
14b1ad9
15869d1
hex685cf

427471 has 4 divisors (see below), whose sum is σ = 466344. Its totient is φ = 388600.

The previous prime is 427457. The next prime is 427477. The reversal of 427471 is 174724.

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 427471 - 25 = 427439 is a prime.

It is a super-3 number, since 3×4274713 = 234337194479424333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19420 + ... + 19441.

It is an arithmetic number, because the mean of its divisors is an integer number (116586).

2427471 is an apocalyptic number.

427471 is a deficient number, since it is larger than the sum of its proper divisors (38873).

427471 is a wasteful number, since it uses less digits than its factorization.

427471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38872.

The product of its digits is 1568, while the sum is 25.

The square root of 427471 is about 653.8126643007. The cubic root of 427471 is about 75.3301592801.

It can be divided in two parts, 427 and 471, that added together give a palindrome (898).

The spelling of 427471 in words is "four hundred twenty-seven thousand, four hundred seventy-one", and thus it is an iban number.

Divisors: 1 11 38861 427471