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4900025 = 521315077
BaseRepresentation
bin10010101100010010111001
3100012221120102
4102230102321
52223300100
6253005145
756435534
oct22542271
910187512
104900025
112847509
1217837b5
131027430
14917a1b
1566bcd5
hex4ac4b9

4900025 has 12 divisors (see below), whose sum is σ = 6543852. Its totient is φ = 3618240.

The previous prime is 4900003. The next prime is 4900031. The reversal of 4900025 is 5200094.

4900025 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 1763584 + 3136441 = 1328^2 + 1771^2 .

It is not a de Polignac number, because 4900025 - 210 = 4899001 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 7214 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (545321).

Almost surely, 24900025 is an apocalyptic number.

It is an amenable number.

4900025 is a deficient number, since it is larger than the sum of its proper divisors (1643827).

4900025 is a wasteful number, since it uses less digits than its factorization.

4900025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100 (or 15095 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4900025 is about 2213.6000090351. The cubic root of 4900025 is about 169.8502140841.

The spelling of 4900025 in words is "four million, nine hundred thousand, twenty-five".

Divisors: 1 5 13 25 65 325 15077 75385 196001 376925 980005 4900025