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5242450553 = 29180774157
BaseRepresentation
bin1001110000111100…
…10111001001111001
3111112100121002012022
410320132113021321
541214031404203
62224111524225
7243625044254
oct47036271171
914470532168
105242450553
11225025476a
121023829675
13657159c62
1437a37409b
1520a398a38
hex138797279

5242450553 has 4 divisors (see below), whose sum is σ = 5423224740. Its totient is φ = 5061676368.

The previous prime is 5242450541. The next prime is 5242450649. The reversal of 5242450553 is 3550542425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2137397824 + 3105052729 = 46232^2 + 55723^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242450553 - 24 = 5242450537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242450253) 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, 90387050 + ... + 90387107.

It is an arithmetic number, because the mean of its divisors is an integer number (1355806185).

Almost surely, 25242450553 is an apocalyptic number.

It is an amenable number.

5242450553 is a deficient number, since it is larger than the sum of its proper divisors (180774187).

5242450553 is a wasteful number, since it uses less digits than its factorization.

5242450553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180774186.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 5242450553 is about 72404.7688553731. The cubic root of 5242450553 is about 1737.1798409321.

Adding to 5242450553 its reverse (3550542425), we get a palindrome (8792992978).

The spelling of 5242450553 in words is "five billion, two hundred forty-two million, four hundred fifty thousand, five hundred fifty-three".

Divisors: 1 29 180774157 5242450553