Base | Representation |
---|---|
bin | 10010100110011… |
… | …001000111111110 |
3 | 210202011222222120 |
4 | 102212121013332 |
5 | 1114341214040 |
6 | 50544223410 |
7 | 10506263133 |
oct | 2246310776 |
9 | 722158876 |
10 | 312054270 |
11 | 150167aa0 |
12 | 8860ab66 |
13 | 4c85b6c8 |
14 | 2d63058a |
15 | 1c5e07d0 |
hex | 129991fe |
312054270 has 64 divisors (see below), whose sum is σ = 826930944. Its totient is φ = 74731520.
The previous prime is 312054241. The next prime is 312054313. The reversal of 312054270 is 72450213.
It is a self number, because there is not a number n which added to its sum of digits gives 312054270.
It is a congruent number.
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, 21694 + ... + 33086.
It is an arithmetic number, because the mean of its divisors is an integer number (12920796).
Almost surely, 2312054270 is an apocalyptic number.
312054270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 312054270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413465472).
312054270 is an abundant number, since it is smaller than the sum of its proper divisors (514876674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312054270 is a wasteful number, since it uses less digits than its factorization.
312054270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11497.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 312054270 is about 17665.0578827243. The cubic root of 312054270 is about 678.2816113326.
The spelling of 312054270 in words is "three hundred twelve million, fifty-four thousand, two hundred seventy".
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