Search a number
-
+
2430432001 = 2587393937
BaseRepresentation
bin1001000011011101…
…0111001100000001
320021101021201221001
42100313113030001
514434142311001
61041100332001
7114141221404
oct22067271401
96241251831
102430432001
111037a08598
12579b44001
132c96b245a
14190b01d3b
15e3588001
hex90dd7301

2430432001 has 4 divisors (see below), whose sum is σ = 2430551812. Its totient is φ = 2430312192.

The previous prime is 2430431977. The next prime is 2430432007. The reversal of 2430432001 is 1002340342.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1809226225 + 621205776 = 42535^2 + 24924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430432001 - 29 = 2430431489 is a prime.

It is a super-2 number, since 2×24304320012 = 11813999422969728002, which contains 22 as substring.

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 2430432001.

It is not an unprimeable number, because it can be changed into a prime (2430432007) 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, 21096 + ... + 72841.

It is an arithmetic number, because the mean of its divisors is an integer number (607637953).

Almost surely, 22430432001 is an apocalyptic number.

It is an amenable number.

2430432001 is a deficient number, since it is larger than the sum of its proper divisors (119811).

2430432001 is an equidigital number, since it uses as much as digits as its factorization.

2430432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119810.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2430432001 is about 49299.4117713386. The cubic root of 2430432001 is about 1344.5010888486.

Adding to 2430432001 its reverse (1002340342), we get a palindrome (3432772343).

The spelling of 2430432001 in words is "two billion, four hundred thirty million, four hundred thirty-two thousand, one".

Divisors: 1 25873 93937 2430432001