Base | Representation |
---|---|
bin | 1001010010110… |
… | …0101110001011 |
3 | 2201100102011220 |
4 | 2110230232023 |
5 | 34434333431 |
6 | 3511253123 |
7 | 652220514 |
oct | 224545613 |
9 | 81312156 |
10 | 38980491 |
11 | 20004690 |
12 | 1107a1a3 |
13 | 80ca7a4 |
14 | 5269a0b |
15 | 364eb96 |
hex | 252cb8b |
38980491 has 32 divisors (see below), whose sum is σ = 58392576. Its totient is φ = 22932000.
The previous prime is 38980481. The next prime is 38980511. The reversal of 38980491 is 19408983.
38980491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38980491 - 219 = 38456203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38980411) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 297496 + ... + 297626.
It is an arithmetic number, because the mean of its divisors is an integer number (1824768).
Almost surely, 238980491 is an apocalyptic number.
38980491 is a deficient number, since it is larger than the sum of its proper divisors (19412085).
38980491 is a wasteful number, since it uses less digits than its factorization.
38980491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 38980491 is about 6243.4358329369. The cubic root of 38980491 is about 339.0645885931.
The spelling of 38980491 in words is "thirty-eight million, nine hundred eighty thousand, four hundred ninety-one".
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