Base | Representation |
---|---|
bin | 100100101010100… |
… | …1110101101010000 |
3 | 10011202000211002221 |
4 | 1021111032231100 |
5 | 10004424131112 |
6 | 322025350424 |
7 | 42326252251 |
oct | 11125165520 |
9 | 3152024087 |
10 | 1230302032 |
11 | 581523143 |
12 | 2a4038414 |
13 | 167b73a8b |
14 | b957ab28 |
15 | 73023e07 |
hex | 4954eb50 |
1230302032 has 20 divisors (see below), whose sum is σ = 2465908020. Its totient is φ = 593938688.
The previous prime is 1230302027. The next prime is 1230302057. The reversal of 1230302032 is 2302030321.
It can be written as a sum of positive squares in 2 ways, for example, as 417139776 + 813162256 = 20424^2 + 28516^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 1230301997 and 1230302015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325293 + ... + 1326220.
It is an arithmetic number, because the mean of its divisors is an integer number (123295401).
Almost surely, 21230302032 is an apocalyptic number.
It is an amenable number.
1230302032 is an abundant number, since it is smaller than the sum of its proper divisors (1235605988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230302032 is a wasteful number, since it uses less digits than its factorization.
1230302032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2651550 (or 2651544 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 1230302032 is about 35075.6615333197. The cubic root of 1230302032 is about 1071.5289615784.
Adding to 1230302032 its reverse (2302030321), we get a palindrome (3532332353).
The spelling of 1230302032 in words is "one billion, two hundred thirty million, three hundred two thousand, thirty-two".
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