Base | Representation |
---|---|
bin | 1001001011110… |
… | …0001001011110 |
3 | 2200110222200002 |
4 | 2102330021132 |
5 | 34330110030 |
6 | 3453334302 |
7 | 645260300 |
oct | 222741136 |
9 | 80428602 |
10 | 38519390 |
11 | 1a81a208 |
12 | 10a97392 |
13 | 7c98950 |
14 | 5189970 |
15 | 35ad245 |
hex | 24bc25e |
38519390 has 48 divisors (see below), whose sum is σ = 86873472. Its totient is φ = 12188736.
The previous prime is 38519381. The next prime is 38519419. The reversal of 38519390 is 9391583.
38519390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3347 + ... + 9393.
It is an arithmetic number, because the mean of its divisors is an integer number (1809864).
Almost surely, 238519390 is an apocalyptic number.
38519390 is an abundant number, since it is smaller than the sum of its proper divisors (48354082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38519390 is a wasteful number, since it uses less digits than its factorization.
38519390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6081 (or 6074 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 38519390 is about 6206.3991170404. The cubic root of 38519390 is about 337.7223482244.
The spelling of 38519390 in words is "thirty-eight million, five hundred nineteen thousand, three hundred ninety".
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