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5242545231 = 372114097927
BaseRepresentation
bin1001110000111101…
…01110010001001111
3111112100202220001220
410320132232101033
541214042421411
62224113534423
7243625620300
oct47036562117
914470686056
105242545231
112250309910
121023874413
13657191091
1437a39a7a7
1520a3b6b06
hex1387ae44f

5242545231 has 48 divisors (see below), whose sum is σ = 8893313280. Its totient is φ = 2716398720.

The previous prime is 5242545193. The next prime is 5242545233. The reversal of 5242545231 is 1325452425.

It is a happy number.

5242545231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5242545231 - 217 = 5242414159 is a prime.

It is a super-2 number, since 2×52425452312 = 54968560998161686722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 5242545192 and 5242545201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242545233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657390 + ... + 665316.

It is an arithmetic number, because the mean of its divisors is an integer number (185277360).

Almost surely, 25242545231 is an apocalyptic number.

5242545231 is a deficient number, since it is larger than the sum of its proper divisors (3650768049).

5242545231 is a wasteful number, since it uses less digits than its factorization.

5242545231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364 (or 8357 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 5242545231 is about 72405.4226629470. The cubic root of 5242545231 is about 1737.1902986192.

Adding to 5242545231 its reverse (1325452425), we get a palindrome (6567997656).

The spelling of 5242545231 in words is "five billion, two hundred forty-two million, five hundred forty-five thousand, two hundred thirty-one".

Divisors: 1 3 7 11 21 33 49 77 147 231 409 539 1227 1617 2863 4499 7927 8589 13497 20041 23781 31493 55489 60123 87197 94479 166467 220451 261591 388423 610379 661353 1165269 1831137 3242143 4272653 9726429 12817959 22695001 35663573 68085003 106990719 158865007 249645011 476595021 748935033 1747515077 5242545231