Base | Representation |
---|---|
bin | 11101100000010… |
… | …001101100111101 |
3 | 1021111102121212110 |
4 | 131200101230331 |
5 | 2003210003011 |
6 | 121041324233 |
7 | 15160301541 |
oct | 3540215475 |
9 | 1244377773 |
10 | 495000381 |
11 | 234462127 |
12 | 119936679 |
13 | 7b724545 |
14 | 49a53a21 |
15 | 2d6cbba6 |
hex | 1d811b3d |
495000381 has 8 divisors (see below), whose sum is σ = 674043264. Its totient is φ = 322978880.
The previous prime is 495000379. The next prime is 495000397. The reversal of 495000381 is 183000594.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 495000381 - 21 = 495000379 is a prime.
It is a super-2 number, since 2×4950003812 = 490050754380290322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (495000301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755180 + ... + 1755461.
It is an arithmetic number, because the mean of its divisors is an integer number (84255408).
Almost surely, 2495000381 is an apocalyptic number.
It is an amenable number.
495000381 is a deficient number, since it is larger than the sum of its proper divisors (179042883).
495000381 is a wasteful number, since it uses less digits than its factorization.
495000381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3510691.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 495000381 is about 22248.6040236236. The cubic root of 495000381 is about 791.0461923017.
The spelling of 495000381 in words is "four hundred ninety-five million, three hundred eighty-one", and thus it is an aban number.
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