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5207450431 = 8958510679
BaseRepresentation
bin1001101100110001…
…10110001100111111
3111102220201220001111
410312120312030333
541131101403211
62220421422451
7243021412141
oct46630661477
914386656044
105207450431
112232519647
121013b6aa27
1364cb24121
14375862c91
15207283421
hex13663633f

5207450431 has 4 divisors (see below), whose sum is σ = 5265961200. Its totient is φ = 5148939664.

The previous prime is 5207450429. The next prime is 5207450449. The reversal of 5207450431 is 1340547025.

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

It is a cyclic number.

It is not a de Polignac number, because 5207450431 - 21 = 5207450429 is a prime.

It is a super-2 number, since 2×52074504312 = 54235079982644171522, 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 = 5207450393 and 5207450402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207450471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29255251 + ... + 29255428.

It is an arithmetic number, because the mean of its divisors is an integer number (1316490300).

Almost surely, 25207450431 is an apocalyptic number.

5207450431 is a deficient number, since it is larger than the sum of its proper divisors (58510769).

5207450431 is an equidigital number, since it uses as much as digits as its factorization.

5207450431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58510768.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5207450431 is about 72162.6664626523. Note that the first 3 decimals coincide. The cubic root of 5207450431 is about 1733.3052330956.

Adding to 5207450431 its reverse (1340547025), we get a palindrome (6547997456).

The spelling of 5207450431 in words is "five billion, two hundred seven million, four hundred fifty thousand, four hundred thirty-one".

Divisors: 1 89 58510679 5207450431