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630530276 = 221915715281
BaseRepresentation
bin100101100101010…
…010000011100100
31121221110020221012
4211211102003210
52242403432101
6142322241352
721424263455
oct4545220344
91557406835
10630530276
112a3a10802
121571b6258
13a082804c
145da5312c
153a54dbbb
hex259520e4

630530276 has 24 divisors (see below), whose sum is σ = 1162462560. Its totient is φ = 298425600.

The previous prime is 630530269. The next prime is 630530279. The reversal of 630530276 is 672035036.

It is not an unprimeable number, because it can be changed into a prime (630530279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116756 + ... + 122036.

It is an arithmetic number, because the mean of its divisors is an integer number (48435940).

Almost surely, 2630530276 is an apocalyptic number.

It is an amenable number.

630530276 is a deficient number, since it is larger than the sum of its proper divisors (531932284).

630530276 is a wasteful number, since it uses less digits than its factorization.

630530276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 630530276 is about 25110.3619249106. The cubic root of 630530276 is about 857.5023421583.

The spelling of 630530276 in words is "six hundred thirty million, five hundred thirty thousand, two hundred seventy-six".

Divisors: 1 2 4 19 38 76 1571 3142 5281 6284 10562 21124 29849 59698 100339 119396 200678 401356 8296451 16592902 33185804 157632569 315265138 630530276