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5242515523 = 7748930789
BaseRepresentation
bin1001110000111101…
…00111000001000011
3111112100201101022121
410320132213001003
541214040444043
62224113145111
7243625434550
oct47036470103
914470641277
105242515523
112250299563
12102385b197
136571806bb
1437a38da27
1520a3acded
hex1387a7043

5242515523 has 4 divisors (see below), whose sum is σ = 5991446320. Its totient is φ = 4493584728.

The previous prime is 5242515449. The next prime is 5242515529. The reversal of 5242515523 is 3255152425.

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 5242515523 - 225 = 5208961091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242515529) 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, 374465388 + ... + 374465401.

It is an arithmetic number, because the mean of its divisors is an integer number (1497861580).

Almost surely, 25242515523 is an apocalyptic number.

5242515523 is a deficient number, since it is larger than the sum of its proper divisors (748930797).

5242515523 is an equidigital number, since it uses as much as digits as its factorization.

5242515523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748930796.

The product of its digits is 60000, while the sum is 34.

The square root of 5242515523 is about 72405.2175122760. The cubic root of 5242515523 is about 1737.1870172267.

Adding to 5242515523 its reverse (3255152425), we get a palindrome (8497667948).

The spelling of 5242515523 in words is "five billion, two hundred forty-two million, five hundred fifteen thousand, five hundred twenty-three".

Divisors: 1 7 748930789 5242515523