Base | Representation |
---|---|
bin | 100101100101100… |
… | …101100011100010 |
3 | 1121221121022111100 |
4 | 211211211203202 |
5 | 2242414011041 |
6 | 142324055230 |
7 | 21425045355 |
oct | 4545454342 |
9 | 1557538440 |
10 | 630610146 |
11 | 2a3a65811 |
12 | 157234516 |
13 | a08554ca |
14 | 5da7429c |
15 | 3a5676b6 |
hex | 259658e2 |
630610146 has 12 divisors (see below), whose sum is σ = 1366322022. Its totient is φ = 210203376.
The previous prime is 630610103. The next prime is 630610147. The reversal of 630610146 is 641016036.
630610146 is a `hidden beast` number, since 6 + 3 + 0 + 610 + 1 + 46 = 666.
It can be written as a sum of positive squares in only one way, i.e., 594140625 + 36469521 = 24375^2 + 6039^2 .
It is not an unprimeable number, because it can be changed into a prime (630610147) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17516931 + ... + 17516966.
Almost surely, 2630610146 is an apocalyptic number.
630610146 is an abundant number, since it is smaller than the sum of its proper divisors (735711876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630610146 is a wasteful number, since it uses less digits than its factorization.
630610146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35033905 (or 35033902 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 630610146 is about 25111.9522538571. The cubic root of 630610146 is about 857.5385475677.
The spelling of 630610146 in words is "six hundred thirty million, six hundred ten thousand, one hundred forty-six".
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