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5248278025 = 52144892
BaseRepresentation
bin1001110001101001…
…00101111000001001
3111112202120010222121
410320310211320021
541222024344100
62224440451241
7244025425054
oct47064457011
914482503877
105248278025
112253574a61
121025779b21
1365841a573
1437b04da9b
1520ab4a51a
hex138d25e09

5248278025 has 9 divisors (see below), whose sum is σ = 6508313941. Its totient is φ = 4198332640.

The previous prime is 5248278019. The next prime is 5248278037. The reversal of 5248278025 is 5208728425.

The square root of 5248278025 is 72445.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1373962489 + 3874315536 = 37067^2 + 62244^2 .

It is not a de Polignac number, because 5248278025 - 213 = 5248269833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 354981 + ... + 369469.

Almost surely, 25248278025 is an apocalyptic number.

5248278025 is the 72445-th square number.

5248278025 is the 36223-rd centered octagonal number.

It is an amenable number.

5248278025 is a deficient number, since it is larger than the sum of its proper divisors (1260035916).

5248278025 is an frugal number, since it uses more digits than its factorization.

5248278025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28988 (or 14494 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The cubic root of 5248278025 is about 1737.8232816330.

The spelling of 5248278025 in words is "five billion, two hundred forty-eight million, two hundred seventy-eight thousand, twenty-five".

Divisors: 1 5 25 14489 72445 362225 209931121 1049655605 5248278025