Base | Representation |
---|---|
bin | 11110001010001011111 |
3 | 1212012122001 |
4 | 3301101133 |
5 | 223111010 |
6 | 33103131 |
7 | 11254132 |
oct | 3612137 |
9 | 1765561 |
10 | 988255 |
11 | 615544 |
12 | 3b7aa7 |
13 | 287a88 |
14 | 1ba219 |
15 | 147c3a |
hex | f145f |
988255 has 4 divisors (see below), whose sum is σ = 1185912. Its totient is φ = 790600.
The previous prime is 988243. The next prime is 988271. The reversal of 988255 is 552889.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552889 = 59 ⋅9371.
It is not a de Polignac number, because 988255 - 211 = 986207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98821 + ... + 98830.
It is an arithmetic number, because the mean of its divisors is an integer number (296478).
2988255 is an apocalyptic number.
988255 is a deficient number, since it is larger than the sum of its proper divisors (197657).
988255 is a wasteful number, since it uses less digits than its factorization.
988255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197656.
The product of its digits is 28800, while the sum is 37.
The square root of 988255 is about 994.1101548621. The cubic root of 988255 is about 99.6069571975.
The spelling of 988255 in words is "nine hundred eighty-eight thousand, two hundred fifty-five".
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