Base | Representation |
---|---|
bin | 11000001010111… |
… | …010001110101010 |
3 | 1001021001012102211 |
4 | 120022322032222 |
5 | 1312302410010 |
6 | 104123315334 |
7 | 13022543011 |
oct | 3012721652 |
9 | 1037035384 |
10 | 405513130 |
11 | 1989a1020 |
12 | b397bb4a |
13 | 66021ac9 |
14 | 3bbdba78 |
15 | 2590208a |
hex | 182ba3aa |
405513130 has 16 divisors (see below), whose sum is σ = 796280544. Its totient is φ = 147459280.
The previous prime is 405513127. The next prime is 405513131. The reversal of 405513130 is 31315504.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (405513131) 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, 1843132 + ... + 1843351.
It is an arithmetic number, because the mean of its divisors is an integer number (49767534).
Almost surely, 2405513130 is an apocalyptic number.
405513130 is a deficient number, since it is larger than the sum of its proper divisors (390767414).
405513130 is a wasteful number, since it uses less digits than its factorization.
405513130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3686501.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 405513130 is about 20137.3565792534. The cubic root of 405513130 is about 740.1759564535.
Adding to 405513130 its reverse (31315504), we get a palindrome (436828634).
It can be divided in two parts, 40551 and 3130, that added together give a square (43681 = 2092).
The spelling of 405513130 in words is "four hundred five million, five hundred thirteen thousand, one hundred thirty".
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