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1427344 = 2489209
BaseRepresentation
bin101011100011110010000
32200111221121
411130132100
5331133334
650332024
715063232
oct5343620
92614847
101427344
11895426
1258a014
133ac8a9
14292252
151d2db4
hex15c790

1427344 has 10 divisors (see below), whose sum is σ = 2765510. Its totient is φ = 713664.

The previous prime is 1427341. The next prime is 1427347. The reversal of 1427344 is 4437241.

It is an interprime number because it is at equal distance from previous prime (1427341) and next prime (1427347).

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 345744 = 1040^2 + 588^2 .

It is not an unprimeable number, because it can be changed into a prime (1427341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44589 + ... + 44620.

It is an arithmetic number, because the mean of its divisors is an integer number (276551).

21427344 is an apocalyptic number.

It is an amenable number.

1427344 is a deficient number, since it is larger than the sum of its proper divisors (1338166).

1427344 is an equidigital number, since it uses as much as digits as its factorization.

1427344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89217 (or 89211 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 1427344 is about 1194.7150287830. The cubic root of 1427344 is about 112.5925230626.

It can be divided in two parts, 1427 and 344, that added together give a palindrome (1771).

The spelling of 1427344 in words is "one million, four hundred twenty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 89209 178418 356836 713672 1427344