Search a number
-
+
5430651309 = 321722087909
BaseRepresentation
bin1010000111011000…
…10010100110101101
3112000110201200002200
411003230102212231
542110221320214
62254513412113
7251401526436
oct50354224655
915013650080
105430651309
112337508786
12107686a039
13687142755
1439736448d
1521bb71d09
hex143b129ad

5430651309 has 18 divisors (see below), whose sum is σ = 8332848810. Its totient is φ = 3407465856.

The previous prime is 5430651263. The next prime is 5430651313. The reversal of 5430651309 is 9031560345.

It can be written as a sum of positive squares in 3 ways, for example, as 1489574025 + 3941077284 = 38595^2 + 62778^2 .

It is not a de Polignac number, because 5430651309 - 27 = 5430651181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430651379) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1041354 + ... + 1046555.

It is an arithmetic number, because the mean of its divisors is an integer number (462936045).

Almost surely, 25430651309 is an apocalyptic number.

It is an amenable number.

5430651309 is a deficient number, since it is larger than the sum of its proper divisors (2902197501).

5430651309 is a wasteful number, since it uses less digits than its factorization.

5430651309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087949 (or 2087929 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 5430651309 is about 73692.9529127446. The cubic root of 5430651309 is about 1757.7238254636.

The spelling of 5430651309 in words is "five billion, four hundred thirty million, six hundred fifty-one thousand, three hundred nine".

Divisors: 1 3 9 17 51 153 289 867 2601 2087909 6263727 18791181 35494453 106483359 319450077 603405701 1810217103 5430651309