Base | Representation |
---|---|
bin | 1001000111101… |
… | …1111001101111 |
3 | 2122222121200202 |
4 | 2101323321233 |
5 | 34243144424 |
6 | 3443544115 |
7 | 643113140 |
oct | 221737157 |
9 | 78877622 |
10 | 38256239 |
11 | 1a65a52a |
12 | 1098b03b |
13 | 7c05c38 |
14 | 511bac7 |
15 | 355a2ae |
hex | 247be6f |
38256239 has 16 divisors (see below), whose sum is σ = 47428416. Its totient is φ = 30105600.
The previous prime is 38256233. The next prime is 38256241. The reversal of 38256239 is 93265283.
It is a de Polignac number, because none of the positive numbers 2k-38256239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38256233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959 + ... + 8799.
It is an arithmetic number, because the mean of its divisors is an integer number (2964276).
Almost surely, 238256239 is an apocalyptic number.
38256239 is a deficient number, since it is larger than the sum of its proper divisors (9172177).
38256239 is a wasteful number, since it uses less digits than its factorization.
38256239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7906.
The product of its digits is 77760, while the sum is 38.
The square root of 38256239 is about 6185.1628111150. The cubic root of 38256239 is about 336.9515232275.
The spelling of 38256239 in words is "thirty-eight million, two hundred fifty-six thousand, two hundred thirty-nine".
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