Base | Representation |
---|---|
bin | 10000101110100… |
… | …00001011100000 |
3 | 100210000122200100 |
4 | 20113100023200 |
5 | 241410011222 |
6 | 21531222400 |
7 | 3322433466 |
oct | 1027201340 |
9 | 323018610 |
10 | 140313312 |
11 | 72226517 |
12 | 3aba7a00 |
13 | 230b9b39 |
14 | 148c6836 |
15 | c4b94ac |
hex | 85d02e0 |
140313312 has 72 divisors (see below), whose sum is σ = 401080680. Its totient is φ = 46529280.
The previous prime is 140313307. The next prime is 140313319. The reversal of 140313312 is 213313041.
140313312 is a `hidden beast` number, since 1 + 40 + 313 + 312 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140313319) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59614 + ... + 61922.
It is an arithmetic number, because the mean of its divisors is an integer number (5570565).
Almost surely, 2140313312 is an apocalyptic number.
140313312 is a gapful number since it is divisible by the number (12) 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 140313312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200540340).
140313312 is an abundant number, since it is smaller than the sum of its proper divisors (260767368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140313312 is a wasteful number, since it uses less digits than its factorization.
140313312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2536 (or 2525 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 140313312 is about 11845.3920154632. The cubic root of 140313312 is about 519.6364717575.
Adding to 140313312 its reverse (213313041), we get a palindrome (353626353).
It can be divided in two parts, 140313 and 312, that added together give a square (140625 = 3752).
The spelling of 140313312 in words is "one hundred forty million, three hundred thirteen thousand, three hundred twelve".
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