[go: up one dir, main page]

Search a number
-
+
2430024421 = 11172764399
BaseRepresentation
bin1001000011010111…
…0011101011100101
320021100112000211111
42100311303223211
514434041240141
61041043505021
7114134603206
oct22065635345
96240460744
102430024421
11103775a350
12579988171
132c959ba96
14190a375ad
15e3507381
hex90d73ae5

2430024421 has 12 divisors (see below), whose sum is σ = 2816049600. Its totient is φ = 2079162560.

The previous prime is 2430024413. The next prime is 2430024481. The reversal of 2430024421 is 1244200342.

It is a happy number.

It is not a de Polignac number, because 2430024421 - 23 = 2430024413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430024392 and 2430024401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430024481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379021 + ... + 385378.

It is an arithmetic number, because the mean of its divisors is an integer number (234670800).

Almost surely, 22430024421 is an apocalyptic number.

It is an amenable number.

2430024421 is a deficient number, since it is larger than the sum of its proper divisors (386025179).

2430024421 is a wasteful number, since it uses less digits than its factorization.

2430024421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764444 (or 764427 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2430024421 is about 49295.2778772977. The cubic root of 2430024421 is about 1344.4259276716.

Adding to 2430024421 its reverse (1244200342), we get a palindrome (3674224763).

The spelling of 2430024421 in words is "two billion, four hundred thirty million, twenty-four thousand, four hundred twenty-one".

Divisors: 1 11 17 187 289 3179 764399 8408389 12994783 142942613 220911311 2430024421