Base | Representation |
---|---|
bin | 10110101111101… |
… | …110100000010001 |
3 | 222121001210111202 |
4 | 112233232200101 |
5 | 1240143010001 |
6 | 101511120545 |
7 | 12312426413 |
oct | 2657564021 |
9 | 877053452 |
10 | 381610001 |
11 | 186455273 |
12 | a7973155 |
13 | 610a2c46 |
14 | 389789b3 |
15 | 2377e96b |
hex | 16bee811 |
381610001 has 8 divisors (see below), whose sum is σ = 391474944. Its totient is φ = 371771680.
The previous prime is 381609983. The next prime is 381610027. The reversal of 381610001 is 100016183.
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 381610001 - 222 = 377415697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381610301) 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, 24200 + ... + 36726.
It is an arithmetic number, because the mean of its divisors is an integer number (48934368).
Almost surely, 2381610001 is an apocalyptic number.
It is an amenable number.
381610001 is a deficient number, since it is larger than the sum of its proper divisors (9864943).
381610001 is a wasteful number, since it uses less digits than its factorization.
381610001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13311.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 381610001 is about 19534.8406955368. The cubic root of 381610001 is about 725.3371407009.
Adding to 381610001 its reverse (100016183), we get a palindrome (481626184).
The spelling of 381610001 in words is "three hundred eighty-one million, six hundred ten thousand, one".
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