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5180225 = 521091901
BaseRepresentation
bin10011110000101101000001
3100202011221012
4103300231001
52311231400
6303010305
762013461
oct23605501
910664835
105180225
112a18a86
121899995
1310c4b2b
1498bba1
156c4d35
hex4f0b41

5180225 has 12 divisors (see below), whose sum is σ = 6485820. Its totient is φ = 4104000.

The previous prime is 5180213. The next prime is 5180233. The reversal of 5180225 is 5220815.

5180225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 414736 + 4765489 = 644^2 + 2183^2 .

It is not a de Polignac number, because 5180225 - 28 = 5179969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5180225.

It is a congruent number.

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, 1775 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (540485).

It is the magic constant of a 218 × 218 magic square.

Almost surely, 25180225 is an apocalyptic number.

It is an amenable number.

5180225 is a deficient number, since it is larger than the sum of its proper divisors (1305595).

5180225 is a wasteful number, since it uses less digits than its factorization.

5180225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5180225 is about 2276.0107644737. The cubic root of 5180225 is about 173.0279282654.

The spelling of 5180225 in words is "five million, one hundred eighty thousand, two hundred twenty-five".

Divisors: 1 5 25 109 545 1901 2725 9505 47525 207209 1036045 5180225