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428127 = 37192937
BaseRepresentation
bin1101000100001011111
3210202021120
41220201133
5102200002
613102023
73432120
oct1504137
9722246
10428127
11272727
12187913
1311cb3b
14b2047
1586cbc
hex6885f

428127 has 32 divisors (see below), whose sum is σ = 729600. Its totient is φ = 217728.

The previous prime is 428093. The next prime is 428137. The reversal of 428127 is 721824.

It is not a de Polignac number, because 428127 - 210 = 427103 is a prime.

428127 is an undulating number in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 428097 and 428106.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428127.

It is not an unprimeable number, because it can be changed into a prime (428137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11553 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (22800).

2428127 is an apocalyptic number.

428127 is a deficient number, since it is larger than the sum of its proper divisors (301473).

428127 is a wasteful number, since it uses less digits than its factorization.

428127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95.

The product of its digits is 896, while the sum is 24.

The square root of 428127 is about 654.3141447348. The cubic root of 428127 is about 75.3686736493.

It can be divided in two parts, 428 and 127, that added together give a palindrome (555).

The spelling of 428127 in words is "four hundred twenty-eight thousand, one hundred twenty-seven".

Divisors: 1 3 7 19 21 29 37 57 87 111 133 203 259 399 551 609 703 777 1073 1653 2109 3219 3857 4921 7511 11571 14763 20387 22533 61161 142709 428127