Base | Representation |
---|---|
bin | 100101001101111… |
… | …1011001011000000 |
3 | 10020000220100112000 |
4 | 1022123323023000 |
5 | 10024200143430 |
6 | 323530504000 |
7 | 42642626103 |
oct | 11233731300 |
9 | 3200810460 |
10 | 1248834240 |
11 | 590a30715 |
12 | 2aa295000 |
13 | 16b962094 |
14 | bbc0273a |
15 | 74984e60 |
hex | 4a6fb2c0 |
1248834240 has 112 divisors (see below), whose sum is σ = 4405640160. Its totient is φ = 333020160.
The previous prime is 1248834233. The next prime is 1248834247. The reversal of 1248834240 is 424388421.
It is an interprime number because it is at equal distance from previous prime (1248834233) and next prime (1248834247).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1248834195 and 1248834204.
It is not an unprimeable number, because it can be changed into a prime (1248834247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63631 + ... + 80910.
Almost surely, 21248834240 is an apocalyptic number.
1248834240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1248834240 is an abundant number, since it is smaller than the sum of its proper divisors (3156805920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1248834240 is a wasteful number, since it uses less digits than its factorization.
1248834240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144567 (or 144551 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 36.
The square root of 1248834240 is about 35338.8488776870. The cubic root of 1248834240 is about 1076.8823670221.
The spelling of 1248834240 in words is "one billion, two hundred forty-eight million, eight hundred thirty-four thousand, two hundred forty".
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