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1424 = 2489
BaseRepresentation
bin10110010000
31221202
4112100
521144
610332
74103
oct2620
91852
101424
111085
129a8
13857
1473a
1564e
hex590

1424 has 10 divisors (see below), whose sum is σ = 2790. Its totient is φ = 704.

The previous prime is 1423. The next prime is 1427. The reversal of 1424 is 4241.

Adding to 1424 its reverse (4241), we get a palindrome (5665).

It can be written as a sum of positive squares in only one way, i.e., 1024 + 400 = 32^2 + 20^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29 + ... + 60.

It is an arithmetic number, because the mean of its divisors is an integer number (279).

21424 is an apocalyptic number.

It is an amenable number.

1424 is a deficient number, since it is larger than the sum of its proper divisors (1366).

1424 is an equidigital number, since it uses as much as digits as its factorization.

1424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 91 counting only the distinct ones).

The product of its digits is 32, while the sum is 11.

The square root of 1424 is about 37.7359245282. The cubic root of 1424 is about 11.2504526567.

The spelling of 1424 in words is "one thousand, four hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 8 16 89 178 356 712 1424