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5298820849 = 72103992
BaseRepresentation
bin1001110111101010…
…11001011011110001
3111200021122222201001
410323311121123301
541322444231344
62233444042001
7245211143200
oct47365313361
914607588631
105298820849
11227a056593
12103a693301
13665a35a6a
14383a49237
152102d0ed4
hex13bd596f1

5298820849 has 9 divisors (see below), whose sum is σ = 6164527257. Its totient is φ = 4541409684.

The previous prime is 5298820847. The next prime is 5298820859. The reversal of 5298820849 is 9480288925.

The square root of 5298820849 is 72793.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5298820849 - 21 = 5298820847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5298820849.

It is not an unprimeable number, because it can be changed into a prime (5298820841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 504352 + ... + 514750.

It is an arithmetic number, because the mean of its divisors is an integer number (684947473).

Almost surely, 25298820849 is an apocalyptic number.

5298820849 is the 72793-rd square number.

5298820849 is the 36397-th centered octagonal number.

It is an amenable number.

5298820849 is a deficient number, since it is larger than the sum of its proper divisors (865706408).

5298820849 is an frugal number, since it uses more digits than its factorization.

5298820849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812 (or 10406 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The cubic root of 5298820849 is about 1743.3840919536.

It can be divided in two parts, 52988 and 20849, that added together give a palindrome (73837).

The spelling of 5298820849 in words is "five billion, two hundred ninety-eight million, eight hundred twenty thousand, eight hundred forty-nine".

Divisors: 1 7 49 10399 72793 509551 108139201 756974407 5298820849