Base | Representation |
---|---|
bin | 10110101111000… |
… | …101010000101111 |
3 | 222120202012210002 |
4 | 112233011100233 |
5 | 1240122103241 |
6 | 101503334515 |
7 | 12311124044 |
oct | 2657052057 |
9 | 876665702 |
10 | 381441071 |
11 | 18634a360 |
12 | a78b143b |
13 | 6104409b |
14 | 389331cb |
15 | 2374989b |
hex | 16bc542f |
381441071 has 8 divisors (see below), whose sum is σ = 419395584. Its totient is φ = 344032920.
The previous prime is 381441061. The next prime is 381441091. The reversal of 381441071 is 170144183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381441071 - 26 = 381441007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381441041) 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, 135125 + ... + 137918.
It is an arithmetic number, because the mean of its divisors is an integer number (52424448).
Almost surely, 2381441071 is an apocalyptic number.
381441071 is a deficient number, since it is larger than the sum of its proper divisors (37954513).
381441071 is a wasteful number, since it uses less digits than its factorization.
381441071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273181.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 381441071 is about 19530.5164038230. The cubic root of 381441071 is about 725.2300948619.
The spelling of 381441071 in words is "three hundred eighty-one million, four hundred forty-one thousand, seventy-one".
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