Base | Representation |
---|---|
bin | 10000111000011… |
… | …11001101001000 |
3 | 100212111001011200 |
4 | 20130033031020 |
5 | 242223320130 |
6 | 22015224200 |
7 | 3336515262 |
oct | 1034171510 |
9 | 325431150 |
10 | 141620040 |
11 | 72a39261 |
12 | 3b518060 |
13 | 23456853 |
14 | 14b46b32 |
15 | c676760 |
hex | 870f348 |
141620040 has 96 divisors (see below), whose sum is σ = 467883000. Its totient is φ = 37140480.
The previous prime is 141620033. The next prime is 141620057. The reversal of 141620040 is 40026141.
141620040 is a `hidden beast` number, since 1 + 4 + 1 + 620 + 0 + 40 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 113678244 + 27941796 = 10662^2 + 5286^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 141619995 and 141620022.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18736 + ... + 25184.
Almost surely, 2141620040 is an apocalyptic number.
141620040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 141620040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233941500).
141620040 is an abundant number, since it is smaller than the sum of its proper divisors (326262960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141620040 is a wasteful number, since it uses less digits than its factorization.
141620040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6527 (or 6520 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 141620040 is about 11900.4218412626. The cubic root of 141620040 is about 521.2446025354.
Adding to 141620040 its reverse (40026141), we get a palindrome (181646181).
The spelling of 141620040 in words is "one hundred forty-one million, six hundred twenty thousand, forty".
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