Search a number
-
+
5243005031 = 11476636821
BaseRepresentation
bin1001110001000000…
…11110100001100111
3111112101122020210112
410320200132201213
541214202130111
62224131443235
7243632543645
oct47040364147
914471566715
105243005031
1122505a3310
121023a5651b
136572c2454
1437a47a195
1520a457e8b
hex13881e867

5243005031 has 4 divisors (see below), whose sum is σ = 5719641864. Its totient is φ = 4766368200.

The previous prime is 5243005021. The next prime is 5243005039. The reversal of 5243005031 is 1305003425.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-5243005031 is a prime.

It is a super-2 number, since 2×52430050312 = 54978203510182621922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5243004988 and 5243005006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243005039) 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, 238318400 + ... + 238318421.

It is an arithmetic number, because the mean of its divisors is an integer number (1429910466).

Almost surely, 25243005031 is an apocalyptic number.

5243005031 is a deficient number, since it is larger than the sum of its proper divisors (476636833).

5243005031 is a wasteful number, since it uses less digits than its factorization.

5243005031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476636832.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 5243005031 is about 72408.5977698781. The cubic root of 5243005031 is about 1737.2410841769.

Adding to 5243005031 its reverse (1305003425), we get a palindrome (6548008456).

The spelling of 5243005031 in words is "five billion, two hundred forty-three million, five thousand, thirty-one".

Divisors: 1 11 476636821 5243005031