Base | Representation |
---|---|
bin | 100100101011000… |
… | …0100011010111010 |
3 | 10011202102222220110 |
4 | 1021112010122322 |
5 | 10010003201132 |
6 | 322034205150 |
7 | 42331156551 |
oct | 11126043272 |
9 | 3152388813 |
10 | 1230522042 |
11 | 581663472 |
12 | 2a41237b6 |
13 | 167c1cc69 |
14 | b95d6d98 |
15 | 730691cc |
hex | 495846ba |
1230522042 has 64 divisors (see below), whose sum is σ = 2631398400. Its totient is φ = 382515840.
The previous prime is 1230522017. The next prime is 1230522071. The reversal of 1230522042 is 2402250321.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3427459 + ... + 3427817.
It is an arithmetic number, because the mean of its divisors is an integer number (41115600).
Almost surely, 21230522042 is an apocalyptic number.
1230522042 is an abundant number, since it is smaller than the sum of its proper divisors (1400876358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230522042 is a wasteful number, since it uses less digits than its factorization.
1230522042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 1230522042 is about 35078.7976133732. The cubic root of 1230522042 is about 1071.5928301867.
Adding to 1230522042 its reverse (2402250321), we get a palindrome (3632772363).
The spelling of 1230522042 in words is "one billion, two hundred thirty million, five hundred twenty-two thousand, forty-two".
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