Search a number
-
+
5252540143 = 5399104531
BaseRepresentation
bin1001110010001001…
…10110011011101111
3111120001120200111211
410321010312123233
541224122241033
62225112055251
7244106566054
oct47104663357
914501520454
105252540143
112255a16174
121027094527
13659280526
1437b83d02b
1520b1dd2cd
hex1391366ef

5252540143 has 4 divisors (see below), whose sum is σ = 5351644728. Its totient is φ = 5153435560.

The previous prime is 5252540141. The next prime is 5252540159. The reversal of 5252540143 is 3410452525.

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 5252540143 - 21 = 5252540141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252540141) 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, 49552213 + ... + 49552318.

It is an arithmetic number, because the mean of its divisors is an integer number (1337911182).

Almost surely, 25252540143 is an apocalyptic number.

5252540143 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5252540143 is a deficient number, since it is larger than the sum of its proper divisors (99104585).

5252540143 is an equidigital number, since it uses as much as digits as its factorization.

5252540143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99104584.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5252540143 is about 72474.4102632095. The cubic root of 5252540143 is about 1738.2935821608.

Adding to 5252540143 its reverse (3410452525), we get a palindrome (8662992668).

The spelling of 5252540143 in words is "five billion, two hundred fifty-two million, five hundred forty thousand, one hundred forty-three".

Divisors: 1 53 99104531 5252540143