| Base | Representation |
|---|---|
| bin | 10000011110110… |
| … | …01011110110000 |
| 3 | 100122011001012000 |
| 4 | 20033121132300 |
| 5 | 240343114011 |
| 6 | 21415134000 |
| 7 | 3266066430 |
| oct | 1017313660 |
| 9 | 318131160 |
| 10 | 138254256 |
| 11 | 7104a518 |
| 12 | 3a374300 |
| 13 | 2284886a |
| 14 | 1450c2c0 |
| 15 | c20e356 |
| hex | 83d97b0 |
138254256 has 160 divisors (see below), whose sum is σ = 458304000. Its totient is φ = 39087360.
The previous prime is 138254231. The next prime is 138254261. The reversal of 138254256 is 652452831.
138254256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1382542562 = 38228478604227072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 138254256.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395970 + ... + 396318.
It is an arithmetic number, because the mean of its divisors is an integer number (2864400).
Almost surely, 2138254256 is an apocalyptic number.
138254256 is a gapful number since it is divisible by the number (16) 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 138254256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229152000).
138254256 is an abundant number, since it is smaller than the sum of its proper divisors (320049744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138254256 is a wasteful number, since it uses less digits than its factorization.
138254256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504 (or 492 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The square root of 138254256 is about 11758.1569984415. The cubic root of 138254256 is about 517.0820990829.
It can be divided in two parts, 13825 and 4256, that added together give a palindrome (18081).
The spelling of 138254256 in words is "one hundred thirty-eight million, two hundred fifty-four thousand, two hundred fifty-six".
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