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9780480825 = 352130406411
BaseRepresentation
bin10010001101111011…
…00100101100111001
3221020121200220102120
421012331210230321
5130012300341300
64254301351453
7464240500233
oct110675445471
927217626376
109780480825
114169910005
121a8b568589
13bcb38a87b
1468ad3d253
153c399a3a0
hex246f64b39

9780480825 has 12 divisors (see below), whose sum is σ = 16170395088. Its totient is φ = 5216256400.

The previous prime is 9780480781. The next prime is 9780480889. The reversal of 9780480825 is 5280840879.

It is a happy number.

It is not a de Polignac number, because 9780480825 - 28 = 9780480569 is a prime.

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, 65203131 + ... + 65203280.

It is an arithmetic number, because the mean of its divisors is an integer number (1347532924).

Almost surely, 29780480825 is an apocalyptic number.

It is an amenable number.

9780480825 is a deficient number, since it is larger than the sum of its proper divisors (6389914263).

9780480825 is a wasteful number, since it uses less digits than its factorization.

9780480825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130406424 (or 130406419 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 9780480825 is about 98896.3135056105. The cubic root of 9780480825 is about 2138.5532499504.

The spelling of 9780480825 in words is "nine billion, seven hundred eighty million, four hundred eighty thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 130406411 391219233 652032055 1956096165 3260160275 9780480825