Base | Representation |
---|---|
bin | 10000011110110… |
… | …00011110100110 |
3 | 100122010211112221 |
4 | 20033120132212 |
5 | 240343001100 |
6 | 21415102554 |
7 | 3266051443 |
oct | 1017303646 |
9 | 318124487 |
10 | 138250150 |
11 | 71047425 |
12 | 3a371a5a |
13 | 22846a2c |
14 | 1450a9ca |
15 | c20d01a |
hex | 83d87a6 |
138250150 has 24 divisors (see below), whose sum is σ = 259514640. Its totient is φ = 54790560.
The previous prime is 138250141. The next prime is 138250159. The reversal of 138250150 is 51052831.
It is a happy number.
138250150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (138250141) and next prime (138250159).
It is a super-2 number, since 2×1382501502 = 38226207950045000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138250159) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7234 + ... + 18133.
It is an arithmetic number, because the mean of its divisors is an integer number (10813110).
Almost surely, 2138250150 is an apocalyptic number.
138250150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
138250150 is a deficient number, since it is larger than the sum of its proper divisors (121264490).
138250150 is a wasteful number, since it uses less digits than its factorization.
138250150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25488 (or 25483 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 138250150 is about 11757.9823949520. The cubic root of 138250150 is about 517.0769801082.
The spelling of 138250150 in words is "one hundred thirty-eight million, two hundred fifty thousand, one hundred fifty".
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