Base | Representation |
---|---|
bin | 100100101011000… |
… | …1100100011100000 |
3 | 10011202111200121110 |
4 | 1021112030203200 |
5 | 10010010232420 |
6 | 322035023320 |
7 | 42331355646 |
oct | 11126144340 |
9 | 3152450543 |
10 | 1230555360 |
11 | 581686501 |
12 | 2a413ab40 |
13 | 167c32188 |
14 | b9605196 |
15 | 73073ee0 |
hex | 4958c8e0 |
1230555360 has 48 divisors (see below), whose sum is σ = 3876250896. Its totient is φ = 328147968.
The previous prime is 1230555307. The next prime is 1230555367. The reversal of 1230555360 is 635550321.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230555367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281349 + ... + 1282308.
It is an arithmetic number, because the mean of its divisors is an integer number (80755227).
Almost surely, 21230555360 is an apocalyptic number.
1230555360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230555360 is an abundant number, since it is smaller than the sum of its proper divisors (2645695536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230555360 is a wasteful number, since it uses less digits than its factorization.
1230555360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2563675 (or 2563667 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 30.
The square root of 1230555360 is about 35079.2725124111. The cubic root of 1230555360 is about 1071.6025016937.
The spelling of 1230555360 in words is "one billion, two hundred thirty million, five hundred fifty-five thousand, three hundred sixty".
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