Base | Representation |
---|---|
bin | 10100110010011111110 |
3 | 1021121110011 |
4 | 2212103332 |
5 | 133244324 |
6 | 22333434 |
7 | 5535022 |
oct | 2462376 |
9 | 1247404 |
10 | 681214 |
11 | 425896 |
12 | 28a27a |
13 | 1ab0b1 |
14 | 13a382 |
15 | d6c94 |
hex | a64fe |
681214 has 16 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 319000.
The previous prime is 681179. The next prime is 681221. The reversal of 681214 is 412186.
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, 2589 + ... + 2839.
It is an arithmetic number, because the mean of its divisors is an integer number (68040).
2681214 is an apocalyptic number.
681214 is a deficient number, since it is larger than the sum of its proper divisors (407426).
681214 is a wasteful number, since it uses less digits than its factorization.
681214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335.
The product of its digits is 384, while the sum is 22.
The square root of 681214 is about 825.3568925017. The cubic root of 681214 is about 87.9888932263.
It can be divided in two parts, 68121 and 4, that multiplied together give a square (272484 = 5222).
The spelling of 681214 in words is "six hundred eighty-one thousand, two hundred fourteen".
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