Base | Representation |
---|---|
bin | 100101100101010… |
… | …110001001001000 |
3 | 1121221111002220012 |
4 | 211211112021020 |
5 | 2242410001031 |
6 | 142322451052 |
7 | 21424363331 |
oct | 4545261110 |
9 | 1557432805 |
10 | 630547016 |
11 | 2a3a22340 |
12 | 157203a88 |
13 | a0832858 |
14 | 5da59288 |
15 | 3a553b2b |
hex | 25956248 |
630547016 has 64 divisors (see below), whose sum is σ = 1317254400. Its totient is φ = 280571200.
The previous prime is 630546979. The next prime is 630547031. The reversal of 630547016 is 610745036.
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956495 + ... + 957153.
It is an arithmetic number, because the mean of its divisors is an integer number (20582100).
Almost surely, 2630547016 is an apocalyptic number.
630547016 is the 14498-th octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 630547016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658627200).
630547016 is an abundant number, since it is smaller than the sum of its proper divisors (686707384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630547016 is a wasteful number, since it uses less digits than its factorization.
630547016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890 (or 886 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 630547016 is about 25110.6952512271. The cubic root of 630547016 is about 857.5099307245.
The spelling of 630547016 in words is "six hundred thirty million, five hundred forty-seven thousand, sixteen".
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