Base | Representation |
---|---|
bin | 10010101000001… |
… | …101000010001000 |
3 | 210210002010020100 |
4 | 102220031002020 |
5 | 1120001412112 |
6 | 51002325400 |
7 | 10513311234 |
oct | 2250150210 |
9 | 723063210 |
10 | 312529032 |
11 | 150461762 |
12 | 887b9860 |
13 | 4c99682a |
14 | 2d7155c4 |
15 | 1c6862dc |
hex | 12a0d088 |
312529032 has 48 divisors (see below), whose sum is σ = 849164940. Its totient is φ = 103840128.
The previous prime is 312529013. The next prime is 312529057. The reversal of 312529032 is 230925213.
It can be written as a sum of positive squares in 2 ways, for example, as 309267396 + 3261636 = 17586^2 + 1806^2 .
It is a junction number, because it is equal to n+sod(n) for n = 312528987 and 312529005.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15978 + ... + 29670.
Almost surely, 2312529032 is an apocalyptic number.
It is an amenable number.
312529032 is an abundant number, since it is smaller than the sum of its proper divisors (536635908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312529032 is a wasteful number, since it uses less digits than its factorization.
312529032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14022 (or 14015 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 312529032 is about 17678.4906595558. The cubic root of 312529032 is about 678.6254181573.
The spelling of 312529032 in words is "three hundred twelve million, five hundred twenty-nine thousand, thirty-two".
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