Base | Representation |
---|---|
bin | 110000100110110… |
… | …000111010110110 |
3 | 2002211110002002110 |
4 | 300212300322312 |
5 | 3132224440324 |
6 | 212530151450 |
7 | 26131236231 |
oct | 6046607266 |
9 | 2084402073 |
10 | 815468214 |
11 | 389346380 |
12 | 1a9122586 |
13 | ccc3a692 |
14 | 7a434418 |
15 | 4b8d0329 |
hex | 309b0eb6 |
815468214 has 16 divisors (see below), whose sum is σ = 1779203520. Its totient is φ = 247111560.
The previous prime is 815468207. The next prime is 815468249. The reversal of 815468214 is 412864518.
815468214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177724 + ... + 6177855.
It is an arithmetic number, because the mean of its divisors is an integer number (111200220).
Almost surely, 2815468214 is an apocalyptic number.
815468214 is an abundant number, since it is smaller than the sum of its proper divisors (963735306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
815468214 is a wasteful number, since it uses less digits than its factorization.
815468214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12355595.
The product of its digits is 61440, while the sum is 39.
The square root of 815468214 is about 28556.4040803460. The cubic root of 815468214 is about 934.2627049068.
The spelling of 815468214 in words is "eight hundred fifteen million, four hundred sixty-eight thousand, two hundred fourteen".
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