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424401 = 3241587
BaseRepresentation
bin1100111100111010001
3210120011120
41213213101
5102040101
613032453
73415215
oct1474721
9716146
10424401
1126a94a
12185729
1311b233
14b0945
1585b36
hex679d1

424401 has 8 divisors (see below), whose sum is σ = 569184. Its totient is φ = 281280.

The previous prime is 424397. The next prime is 424423. The reversal of 424401 is 104424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424401 - 22 = 424397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424451) 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, 430 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

2424401 is an apocalyptic number.

It is an amenable number.

424401 is a deficient number, since it is larger than the sum of its proper divisors (144783).

424401 is a wasteful number, since it uses less digits than its factorization.

424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 424401 is about 651.4606665026. The cubic root of 424401 is about 75.1493911219.

Adding to 424401 its reverse (104424), we get a palindrome (528825).

The spelling of 424401 in words is "four hundred twenty-four thousand, four hundred one", and thus it is an iban number.

Divisors: 1 3 241 587 723 1761 141467 424401