| Base | Representation |
|---|---|
| bin | 11100010111111… |
| … | …11111100101100 |
| 3 | 121120220000000210 |
| 4 | 32023333330230 |
| 5 | 441413322130 |
| 6 | 35341422420 |
| 7 | 5620122633 |
| oct | 1613777454 |
| 9 | 546800023 |
| 10 | 238026540 |
| 11 | 1123a5954 |
| 12 | 6786aa10 |
| 13 | 3a40c80b |
| 14 | 2388051a |
| 15 | 15d6b5b0 |
| hex | e2fff2c |
238026540 has 96 divisors (see below), whose sum is σ = 701084160. Its totient is φ = 60222976.
The previous prime is 238026539. The next prime is 238026541. The reversal of 238026540 is 45620832.
It is an interprime number because it is at equal distance from previous prime (238026539) and next prime (238026541).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 238026498 and 238026507.
It is not an unprimeable number, because it can be changed into a prime (238026541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188431 + ... + 189689.
It is an arithmetic number, because the mean of its divisors is an integer number (7302960).
Almost surely, 2238026540 is an apocalyptic number.
238026540 is a gapful number since it is divisible by the number (20) 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 238026540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350542080).
238026540 is an abundant number, since it is smaller than the sum of its proper divisors (463057620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238026540 is a wasteful number, since it uses less digits than its factorization.
238026540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1431 (or 1429 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 238026540 is about 15428.1087629042. The cubic root of 238026540 is about 619.7384779791.
It can be divided in two parts, 2380 and 26540, that added together give a triangular number (28920 = T240).
The spelling of 238026540 in words is "two hundred thirty-eight million, twenty-six thousand, five hundred forty".
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