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1427875 = 5311423
BaseRepresentation
bin101011100100110100011
32200112200021
411130212203
5331143000
650334311
715064621
oct5344643
92615607
101427875
11895869
1258a397
133acbc7
14292511
151d311a
hex15c9a3

1427875 has 8 divisors (see below), whose sum is σ = 1782144. Its totient is φ = 1142200.

The previous prime is 1427851. The next prime is 1427879. The reversal of 1427875 is 5787241.

It is a happy number.

It is not a de Polignac number, because 1427875 - 25 = 1427843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427875.

It is not an unprimeable number, because it can be changed into a prime (1427879) 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 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 5836.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

21427875 is an apocalyptic number.

1427875 is a deficient number, since it is larger than the sum of its proper divisors (354269).

1427875 is an equidigital number, since it uses as much as digits as its factorization.

1427875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11428 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 1427875 is about 1194.9372368455. The cubic root of 1427875 is about 112.6064835415.

It can be divided in two parts, 14 and 27875, that added together give a square (27889 = 1672).

The spelling of 1427875 in words is "one million, four hundred twenty-seven thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 11423 57115 285575 1427875