Search a number
-
+
552400513 = 778914359
BaseRepresentation
bin100000111011001…
…111011010000001
31102111102212001021
4200323033122001
52112403304023
6130451505441
716455220060
oct4073173201
91374385037
10552400513
112638a7755
12134bb8281
138a5a1012
14535161d7
153376935d
hex20ecf681

552400513 has 4 divisors (see below), whose sum is σ = 631314880. Its totient is φ = 473486148.

The previous prime is 552400481. The next prime is 552400529. The reversal of 552400513 is 315004255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 552400513 - 25 = 552400481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552400543) 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, 39457173 + ... + 39457186.

It is an arithmetic number, because the mean of its divisors is an integer number (157828720).

Almost surely, 2552400513 is an apocalyptic number.

It is an amenable number.

552400513 is a deficient number, since it is larger than the sum of its proper divisors (78914367).

552400513 is an equidigital number, since it uses as much as digits as its factorization.

552400513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78914366.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 552400513 is about 23503.2021860852. The cubic root of 552400513 is about 820.5115353767.

Adding to 552400513 its reverse (315004255), we get a palindrome (867404768).

The spelling of 552400513 in words is "five hundred fifty-two million, four hundred thousand, five hundred thirteen".

Divisors: 1 7 78914359 552400513