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1248880225 = 52227359613
BaseRepresentation
bin100101001110000…
…0110011001100001
310020000222200121011
41022130012121201
510024203131400
6323531500521
742643210135
oct11234063141
93200880534
101248880225
11590a6221a
122aa2b7741
1316b979ca8
14bbc153c5
15749938ba
hex4a706661

1248880225 has 24 divisors (see below), whose sum is σ = 1562310720. Its totient is φ = 990313920.

The previous prime is 1248880223. The next prime is 1248880249. The reversal of 1248880225 is 5220888421.

It is not a de Polignac number, because 1248880225 - 21 = 1248880223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248880223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2037019 + ... + 2037631.

It is an arithmetic number, because the mean of its divisors is an integer number (65096280).

Almost surely, 21248880225 is an apocalyptic number.

It is an amenable number.

1248880225 is a deficient number, since it is larger than the sum of its proper divisors (313430495).

1248880225 is a wasteful number, since it uses less digits than its factorization.

1248880225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 1248880225 is about 35339.4995012663. The cubic root of 1248880225 is about 1076.8955846363.

The spelling of 1248880225 in words is "one billion, two hundred forty-eight million, eight hundred eighty thousand, two hundred twenty-five".

Divisors: 1 5 25 227 359 613 1135 1795 3065 5675 8975 15325 81493 139151 220067 407465 695755 1100335 2037325 3478775 5501675 49955209 249776045 1248880225