Base | Representation |
---|---|
bin | 11000001001000… |
… | …100010011111101 |
3 | 1001020010122220100 |
4 | 120021010103331 |
5 | 1312141431031 |
6 | 104105111313 |
7 | 13015461615 |
oct | 3011042375 |
9 | 1036118810 |
10 | 405030141 |
11 | 1986a115a |
12 | b3788539 |
13 | 65bb3009 |
14 | 3bb13a45 |
15 | 25858de6 |
hex | 182444fd |
405030141 has 6 divisors (see below), whose sum is σ = 585043550. Its totient is φ = 270020088.
The previous prime is 405030139. The next prime is 405030167. The reversal of 405030141 is 141030504.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 231344100 + 173686041 = 15210^2 + 13179^2 .
It is not a de Polignac number, because 405030141 - 21 = 405030139 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (405030181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22501666 + ... + 22501683.
Almost surely, 2405030141 is an apocalyptic number.
It is an amenable number.
405030141 is a deficient number, since it is larger than the sum of its proper divisors (180013409).
405030141 is a wasteful number, since it uses less digits than its factorization.
405030141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45003355 (or 45003352 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 405030141 is about 20125.3606427313. The cubic root of 405030141 is about 739.8819759421.
Adding to 405030141 its reverse (141030504), we get a palindrome (546060645).
It can be divided in two parts, 4050 and 30141, that added together give a triangular number (34191 = T261).
The spelling of 405030141 in words is "four hundred five million, thirty thousand, one hundred forty-one".
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