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5215505 = 52935969
BaseRepresentation
bin10011111001010100010001
3100210222022212
4103321110101
52313344010
6303441505
762221361
oct23712421
910728285
105215505
112a42539
1218b6295
131107bc9
1499a9a1
156d0505
hex4f9511

5215505 has 8 divisors (see below), whose sum is σ = 6474600. Its totient is φ = 4028416.

The previous prime is 5215499. The next prime is 5215517. The reversal of 5215505 is 5055125.

It can be written as a sum of positive squares in 4 ways, for example, as 1635841 + 3579664 = 1279^2 + 1892^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5215505 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17840 + ... + 18129.

It is an arithmetic number, because the mean of its divisors is an integer number (809325).

Almost surely, 25215505 is an apocalyptic number.

It is an amenable number.

5215505 is a deficient number, since it is larger than the sum of its proper divisors (1259095).

5215505 is a wasteful number, since it uses less digits than its factorization.

5215505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36003.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5215505 is about 2283.7480158722. The cubic root of 5215505 is about 173.4198429932.

The spelling of 5215505 in words is "five million, two hundred fifteen thousand, five hundred five".

Divisors: 1 5 29 145 35969 179845 1043101 5215505