Base | Representation |
---|---|
bin | 1001010001011… |
… | …0010110110100 |
3 | 2201011202112001 |
4 | 2110112112310 |
5 | 34423421014 |
6 | 3505305044 |
7 | 651356446 |
oct | 224262664 |
9 | 81152461 |
10 | 38888884 |
11 | 1aa51881 |
12 | 11035184 |
13 | 8097b98 |
14 | 5244496 |
15 | 3632974 |
hex | 25165b4 |
38888884 has 12 divisors (see below), whose sum is σ = 70402500. Its totient is φ = 18773888.
The previous prime is 38888879. The next prime is 38888891. The reversal of 38888884 is 48888883.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 8880400 = 5478^2 + 2980^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167509 + ... + 167740.
It is an arithmetic number, because the mean of its divisors is an integer number (5866875).
Almost surely, 238888884 is an apocalyptic number.
It is an amenable number.
38888884 is a deficient number, since it is larger than the sum of its proper divisors (31513616).
38888884 is a wasteful number, since it uses less digits than its factorization.
38888884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335282 (or 335280 counting only the distinct ones).
The product of its digits is 3145728, while the sum is 55.
The square root of 38888884 is about 6236.0952526401. The cubic root of 38888884 is about 338.7987714077.
Subtracting 38888884 from its reverse (48888883), we obtain a palindrome (9999999).
The spelling of 38888884 in words is "thirty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-four".
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