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5213245 = 52574057
BaseRepresentation
bin10011111000110000111101
3100210212020011
4103320300331
52313310440
6303423221
762211652
oct23706075
910725204
105213245
112a40874
1218b4b11
131106b7b
14999c29
156ce9ea
hex4f8c3d

5213245 has 8 divisors (see below), whose sum is σ = 6281784. Its totient is φ = 4153344.

The previous prime is 5213233. The next prime is 5213251. The reversal of 5213245 is 5423125.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 3261636 = 1397^2 + 1806^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5213245 - 25 = 5213213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (785223).

Almost surely, 25213245 is an apocalyptic number.

It is an amenable number.

5213245 is a deficient number, since it is larger than the sum of its proper divisors (1068539).

5213245 is a wasteful number, since it uses less digits than its factorization.

5213245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319.

The product of its digits is 1200, while the sum is 22.

The square root of 5213245 is about 2283.2531616095. The cubic root of 5213245 is about 173.3947904196.

The spelling of 5213245 in words is "five million, two hundred thirteen thousand, two hundred forty-five".

Divisors: 1 5 257 1285 4057 20285 1042649 5213245