| Base | Representation |
|---|---|
| bin | 1001010000000… |
| … | …1000010010100 |
| 3 | 2201000022201200 |
| 4 | 2110001002110 |
| 5 | 34413122211 |
| 6 | 3503352500 |
| 7 | 650544033 |
| oct | 224010224 |
| 9 | 81008650 |
| 10 | 38801556 |
| 11 | 1a9a2202 |
| 12 | 10bb2730 |
| 13 | 8067201 |
| 14 | 522071a |
| 15 | 3616b56 |
| hex | 2501094 |
38801556 has 18 divisors (see below), whose sum is σ = 98081802. Its totient is φ = 12933840.
The previous prime is 38801533. The next prime is 38801569. The reversal of 38801556 is 65510883.
It can be written as a sum of positive squares in only one way, i.e., 34999056 + 3802500 = 5916^2 + 1950^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×388015562 = 3011121496042272, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1077821 = 38801556 / (3 + 8 + 8 + 0 + 1 + 5 + 5 + 6).
It is a self number, because there is not a number n which added to its sum of digits gives 38801556.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538875 + ... + 538946.
It is an arithmetic number, because the mean of its divisors is an integer number (5448989).
Almost surely, 238801556 is an apocalyptic number.
38801556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
38801556 is an abundant number, since it is smaller than the sum of its proper divisors (59280246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38801556 is a wasteful number, since it uses less digits than its factorization.
38801556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1077831 (or 1077826 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 38801556 is about 6229.0895000794. The cubic root of 38801556 is about 338.5449817204.
The spelling of 38801556 in words is "thirty-eight million, eight hundred one thousand, five hundred fifty-six".
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