Base | Representation |
---|---|
bin | 10110101101101… |
… | …010100101000001 |
3 | 222120001100021010 |
4 | 112231222211001 |
5 | 1240023212013 |
6 | 101451351133 |
7 | 12305016120 |
oct | 2655524501 |
9 | 876040233 |
10 | 381069633 |
11 | 18611628a |
12 | a77524a9 |
13 | 60c43cb9 |
14 | 38877ab7 |
15 | 236c47c3 |
hex | 16b6a941 |
381069633 has 8 divisors (see below), whose sum is σ = 580677568. Its totient is φ = 217754064.
The previous prime is 381069593. The next prime is 381069659. The reversal of 381069633 is 336960183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381069633 - 210 = 381068609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 381069591 and 381069600.
It is not an unprimeable number, because it can be changed into a prime (381069673) 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, 9073066 + ... + 9073107.
It is an arithmetic number, because the mean of its divisors is an integer number (72584696).
Almost surely, 2381069633 is an apocalyptic number.
It is an amenable number.
381069633 is a deficient number, since it is larger than the sum of its proper divisors (199607935).
381069633 is a wasteful number, since it uses less digits than its factorization.
381069633 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18146183.
The product of its (nonzero) digits is 69984, while the sum is 39.
The square root of 381069633 is about 19521.0049177802. The cubic root of 381069633 is about 724.9946146251.
The spelling of 381069633 in words is "three hundred eighty-one million, sixty-nine thousand, six hundred thirty-three".
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