Base | Representation |
---|---|
bin | 10110101101101… |
… | …111010000011001 |
3 | 222120002022112202 |
4 | 112231233100121 |
5 | 1240024320133 |
6 | 101452015545 |
7 | 12305126021 |
oct | 2655572031 |
9 | 876068482 |
10 | 381088793 |
11 | 186129718 |
12 | a77615b5 |
13 | 60c4c937 |
14 | 38880a81 |
15 | 236ca2e8 |
hex | 16b6f419 |
381088793 has 4 divisors (see below), whose sum is σ = 381174528. Its totient is φ = 381003060.
The previous prime is 381088723. The next prime is 381088819. The reversal of 381088793 is 397880183.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 381088793 - 28 = 381088537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381088703) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35813 + ... + 45218.
It is an arithmetic number, because the mean of its divisors is an integer number (95293632).
Almost surely, 2381088793 is an apocalyptic number.
It is an amenable number.
381088793 is a deficient number, since it is larger than the sum of its proper divisors (85735).
381088793 is an equidigital number, since it uses as much as digits as its factorization.
381088793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85734.
The product of its (nonzero) digits is 290304, while the sum is 47.
The square root of 381088793 is about 19521.4956650355. The cubic root of 381088793 is about 725.0067652163.
The spelling of 381088793 in words is "three hundred eighty-one million, eighty-eight thousand, seven hundred ninety-three".
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