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517460225 = 52157131837
BaseRepresentation
bin11110110101111…
…101000100000001
31100001200200222112
4132311331010001
52024432211400
6123202545105
715552224252
oct3665750401
91301620875
10517460225
11246102587
12125368195
13832894a9
144ca1cb29
1530666835
hex1ed7d101

517460225 has 12 divisors (see below), whose sum is σ = 645742524. Its totient is φ = 411328320.

The previous prime is 517460197. The next prime is 517460243. The reversal of 517460225 is 522064715.

It can be written as a sum of positive squares in 6 ways, for example, as 101626561 + 415833664 = 10081^2 + 20392^2 .

It is a de Polignac number, because none of the positive numbers 2k-517460225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517460191 and 517460200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61994 + ... + 69843.

It is an arithmetic number, because the mean of its divisors is an integer number (53811877).

Almost surely, 2517460225 is an apocalyptic number.

It is an amenable number.

517460225 is a deficient number, since it is larger than the sum of its proper divisors (128282299).

517460225 is a wasteful number, since it uses less digits than its factorization.

517460225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132004 (or 131999 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 517460225 is about 22747.7520867447. The cubic root of 517460225 is about 802.8338171851.

The spelling of 517460225 in words is "five hundred seventeen million, four hundred sixty thousand, two hundred twenty-five".

Divisors: 1 5 25 157 785 3925 131837 659185 3295925 20698409 103492045 517460225