Search a number
-
+
5245542020 = 2257314924113
BaseRepresentation
bin1001110001010100…
…01001111010000100
3111112120102010220002
410320222021322010
541220324321040
62224302100432
7243663241265
oct47052117204
914476363802
105245542020
112251a763a4
12102487a718
136579a0124
1437a93a96c
1520a7a9a15
hex138a89e84

5245542020 has 48 divisors (see below), whose sum is σ = 11241946800. Its totient is φ = 2055499776.

The previous prime is 5245542017. The next prime is 5245542037. The reversal of 5245542020 is 202455425.

It can be written as a sum of positive squares in 8 ways, for example, as 149866564 + 5095675456 = 12242^2 + 71384^2 .

It is a super-2 number, since 2×52455420202 = 55031422167171360800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205484 + ... + 229596.

It is an arithmetic number, because the mean of its divisors is an integer number (234207225).

Almost surely, 25245542020 is an apocalyptic number.

It is an amenable number.

5245542020 is an abundant number, since it is smaller than the sum of its proper divisors (5996404780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5245542020 is a wasteful number, since it uses less digits than its factorization.

5245542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24344 (or 24342 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 5245542020 is about 72426.1142130378. The cubic root of 5245542020 is about 1737.5212448104.

Adding to 5245542020 its reverse (202455425), we get a palindrome (5447997445).

The spelling of 5245542020 in words is "five billion, two hundred forty-five million, five hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 149 292 298 365 596 730 745 1460 1490 2980 10877 21754 24113 43508 48226 54385 96452 108770 120565 217540 241130 482260 1760249 3520498 3592837 7040996 7185674 8801245 14371348 17602490 17964185 35204980 35928370 71856740 262277101 524554202 1049108404 1311385505 2622771010 5245542020