Base | Representation |
---|---|
bin | 10010100110100… |
… | …111100001001110 |
3 | 210202021222212021 |
4 | 102212213201032 |
5 | 1114400110410 |
6 | 50545400354 |
7 | 10506630052 |
oct | 2246474116 |
9 | 722258767 |
10 | 312113230 |
11 | 1501a8320 |
12 | 886390ba |
13 | 4c87c4b0 |
14 | 2d647c62 |
15 | 1c602eda |
hex | 129a784e |
312113230 has 64 divisors (see below), whose sum is σ = 666864576. Its totient is φ = 103680000.
The previous prime is 312113189. The next prime is 312113267. The reversal of 312113230 is 32311213.
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, 143350 + ... + 145510.
It is an arithmetic number, because the mean of its divisors is an integer number (10419759).
Almost surely, 2312113230 is an apocalyptic number.
312113230 is an abundant number, since it is smaller than the sum of its proper divisors (354751346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312113230 is a wasteful number, since it uses less digits than its factorization.
312113230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2293.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 312113230 is about 17666.7266351183. The cubic root of 312113230 is about 678.3243271561.
Adding to 312113230 its reverse (32311213), we get a palindrome (344424443).
The spelling of 312113230 in words is "three hundred twelve million, one hundred thirteen thousand, two hundred thirty".
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