Base | Representation |
---|---|
bin | 100101100100111… |
… | …110100011111110 |
3 | 1121221022012101221 |
4 | 211210332203332 |
5 | 2242343403210 |
6 | 142320423554 |
7 | 21423511621 |
oct | 4544764376 |
9 | 1557265357 |
10 | 630450430 |
11 | 2a3966815 |
12 | 157177bba |
13 | a07ca8bc |
14 | 5da31db8 |
15 | 3a5351da |
hex | 2593e8fe |
630450430 has 16 divisors (see below), whose sum is σ = 1173942720. Its totient is φ = 243484192.
The previous prime is 630450421. The next prime is 630450449. The reversal of 630450430 is 34054036.
It is a junction number, because it is equal to n+sod(n) for n = 630450395 and 630450404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086694 + ... + 1087273.
It is an arithmetic number, because the mean of its divisors is an integer number (73371420).
Almost surely, 2630450430 is an apocalyptic number.
630450430 is a deficient number, since it is larger than the sum of its proper divisors (543492290).
630450430 is a wasteful number, since it uses less digits than its factorization.
630450430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2174003.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 630450430 is about 25108.7719731571. The cubic root of 630450430 is about 857.4661445719.
It can be divided in two parts, 6304 and 50430, that multiplied together give a triangular number (317910720 = T25215).
The spelling of 630450430 in words is "six hundred thirty million, four hundred fifty thousand, four hundred thirty".
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