Base | Representation |
---|---|
bin | 100101111011111011010 |
3 | 2100011012200 |
4 | 10233133122 |
5 | 304234343 |
6 | 42351030 |
7 | 13365123 |
oct | 4573732 |
9 | 2304180 |
10 | 1243098 |
11 | 779a5a |
12 | 4bb476 |
13 | 346a7c |
14 | 24504a |
15 | 1984d3 |
hex | 12f7da |
1243098 has 12 divisors (see below), whose sum is σ = 2693418. Its totient is φ = 414360.
The previous prime is 1243097. The next prime is 1243111. The reversal of 1243098 is 8903421.
It can be written as a sum of positive squares in only one way, i.e., 986049 + 257049 = 993^2 + 507^2 .
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1243093) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34513 + ... + 34548.
21243098 is an apocalyptic number.
1243098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
1243098 is an abundant number, since it is smaller than the sum of its proper divisors (1450320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243098 is a wasteful number, since it uses less digits than its factorization.
1243098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69069 (or 69066 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 1243098 is about 1114.9430478728. The cubic root of 1243098 is about 107.5231030208.
The spelling of 1243098 in words is "one million, two hundred forty-three thousand, ninety-eight".
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