| Base | Representation |
|---|---|
| bin | 10100001011010… |
| … | …011011101111000 |
| 3 | 212120221222012000 |
| 4 | 110023103131320 |
| 5 | 1143124221030 |
| 6 | 53331221000 |
| 7 | 11250160512 |
| oct | 2413233570 |
| 9 | 776858160 |
| 10 | 338507640 |
| 11 | 164095889 |
| 12 | 95447760 |
| 13 | 551912a3 |
| 14 | 32d58bb2 |
| 15 | 1eab8860 |
| hex | 142d3778 |
338507640 has 128 divisors (see below), whose sum is σ = 1132704000. Its totient is φ = 89921664.
The previous prime is 338507627. The next prime is 338507641. The reversal of 338507640 is 46705833.
It is a happy number.
338507640 is a `hidden beast` number, since 3 + 3 + 8 + 5 + 0 + 7 + 640 = 666.
It is a super-2 number, since 2×3385076402 = 229174844676739200, which contains 22 as substring.
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 = 338507595 and 338507604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (338507641) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408907 + ... + 409733.
It is an arithmetic number, because the mean of its divisors is an integer number (8849250).
Almost surely, 2338507640 is an apocalyptic number.
338507640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 338507640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566352000).
338507640 is an abundant number, since it is smaller than the sum of its proper divisors (794196360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
338507640 is a wasteful number, since it uses less digits than its factorization.
338507640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 338507640 is about 18398.5771188970. The cubic root of 338507640 is about 696.9305329940.
The spelling of 338507640 in words is "three hundred thirty-eight million, five hundred seven thousand, six hundred forty".
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