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5248681 = 292792
BaseRepresentation
bin10100000001011010101001
3100212122211121
4110001122221
52320424211
6304255241
762420164
oct24013251
910778747
105248681
112a65459
121911521
13111a039
149a8adb
156da271
hex5016a9

5248681 has 9 divisors (see below), whose sum is σ = 5505591. Its totient is φ = 5003544.

The previous prime is 5248637. The next prime is 5248687. The reversal of 5248681 is 1868425.

The square root of 5248681 is 2291.

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

It can be written as a sum of positive squares in only one way, i.e., 2752281 + 2496400 = 1659^2 + 1580^2 .

It is not a de Polignac number, because 5248681 - 27 = 5248553 is a prime.

It is a super-2 number, since 2×52486812 = 55097304479522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5248687) 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, 66400 + ... + 66478.

Almost surely, 25248681 is an apocalyptic number.

5248681 is the 2291-st square number.

5248681 is the 1146-th centered octagonal number.

It is an amenable number.

5248681 is a deficient number, since it is larger than the sum of its proper divisors (256910).

5248681 is an frugal number, since it uses more digits than its factorization.

5248681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 108 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The cubic root of 5248681 is about 173.7867758533.

It can be divided in two parts, 5248 and 681, that added together give a square (5929 = 772).

The spelling of 5248681 in words is "five million, two hundred forty-eight thousand, six hundred eighty-one".

Divisors: 1 29 79 841 2291 6241 66439 180989 5248681