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5242516525 = 521715778569
BaseRepresentation
bin1001110000111101…
…00111010000101101
3111112100201102200201
410320132213100231
541214041012100
62224113153501
7243625440511
oct47036472055
914470642621
105242516525
11225029a294
12102385b891
13657180cac
1437a390141
1520a3ad36a
hex1387a742d

5242516525 has 24 divisors (see below), whose sum is σ = 6927045480. Its totient is φ = 3922114560.

The previous prime is 5242516501. The next prime is 5242516583. The reversal of 5242516525 is 5256152425.

It can be written as a sum of positive squares in 12 ways, for example, as 112805641 + 5129710884 = 10621^2 + 71622^2 .

It is not a de Polignac number, because 5242516525 - 27 = 5242516397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27441 + ... + 106009.

It is an arithmetic number, because the mean of its divisors is an integer number (288626895).

Almost surely, 25242516525 is an apocalyptic number.

It is an amenable number.

5242516525 is a deficient number, since it is larger than the sum of its proper divisors (1684528955).

5242516525 is a wasteful number, since it uses less digits than its factorization.

5242516525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78753 (or 78748 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 5242516525 is about 72405.2244316665. The cubic root of 5242516525 is about 1737.1871279026.

The spelling of 5242516525 in words is "five billion, two hundred forty-two million, five hundred sixteen thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 157 425 785 2669 3925 13345 66725 78569 392845 1335673 1964225 6678365 12335333 33391825 61676665 209700661 308383325 1048503305 5242516525