Base | Representation |
---|---|
bin | 10000100000100… |
… | …01010001110000 |
3 | 100122120122200121 |
4 | 20100101101300 |
5 | 240422422200 |
6 | 21424100024 |
7 | 3301040641 |
oct | 1020212160 |
9 | 318518617 |
10 | 138482800 |
11 | 711961a5 |
12 | 3a464614 |
13 | 228c88b1 |
14 | 1456b6c8 |
15 | c256e1a |
hex | 8411470 |
138482800 has 30 divisors (see below), whose sum is σ = 332705888. Its totient is φ = 55392960.
The previous prime is 138482791. The next prime is 138482809. The reversal of 138482800 is 8284831.
It is an interprime number because it is at equal distance from previous prime (138482791) and next prime (138482809).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138482809) 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, 172704 + ... + 173503.
Almost surely, 2138482800 is an apocalyptic number.
138482800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
138482800 is an abundant number, since it is smaller than the sum of its proper divisors (194223088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138482800 is a wasteful number, since it uses less digits than its factorization.
138482800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346225 (or 346214 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 138482800 is about 11767.8715152741. The cubic root of 138482800 is about 517.3668665749.
The spelling of 138482800 in words is "one hundred thirty-eight million, four hundred eighty-two thousand, eight hundred".
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