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1424143001 = 2625154251
BaseRepresentation
bin101010011100010…
…1011001010011001
310200020202221221002
41110320223022121
510404040034001
6353152154345
750202005261
oct12470531231
93606687832
101424143001
11670989796
12338b389b5
13199082888
14d71d87a1
158506346b
hex54e2b299

1424143001 has 4 divisors (see below), whose sum is σ = 1424223504. Its totient is φ = 1424062500.

The previous prime is 1424142971. The next prime is 1424143009. The reversal of 1424143001 is 1003414241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1003414241 = 2409141651.

It is a cyclic number.

It is not a de Polignac number, because 1424143001 - 210 = 1424141977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424143009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 53376.

It is an arithmetic number, because the mean of its divisors is an integer number (356055876).

Almost surely, 21424143001 is an apocalyptic number.

It is an amenable number.

1424143001 is a deficient number, since it is larger than the sum of its proper divisors (80503).

1424143001 is an equidigital number, since it uses as much as digits as its factorization.

1424143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80502.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1424143001 is about 37737.8192401204. The cubic root of 1424143001 is about 1125.0829241920.

Adding to 1424143001 its reverse (1003414241), we get a palindrome (2427557242).

The spelling of 1424143001 in words is "one billion, four hundred twenty-four million, one hundred forty-three thousand, one".

Divisors: 1 26251 54251 1424143001