Base | Representation |
---|---|
bin | 10000101110110… |
… | …01101010000011 |
3 | 100210002121221002 |
4 | 20113121222003 |
5 | 241412232011 |
6 | 21532122215 |
7 | 3322654613 |
oct | 1027315203 |
9 | 323077832 |
10 | 140352131 |
11 | 722526a7 |
12 | 3b00636b |
13 | 231016ca |
14 | 148d6a43 |
15 | c4c5c3b |
hex | 85d9a83 |
140352131 has 8 divisors (see below), whose sum is σ = 141200304. Its totient is φ = 139507200.
The previous prime is 140352103. The next prime is 140352139. The reversal of 140352131 is 131253041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-140352131 is a prime.
It is a super-2 number, since 2×1403521312 = 39397441352482322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (140352139) 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 7 ways as a sum of consecutive naturals, for example, 208211 + ... + 208883.
It is an arithmetic number, because the mean of its divisors is an integer number (17650038).
Almost surely, 2140352131 is an apocalyptic number.
140352131 is a deficient number, since it is larger than the sum of its proper divisors (848173).
140352131 is an equidigital number, since it uses as much as digits as its factorization.
140352131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1621.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 140352131 is about 11847.0304718102. The cubic root of 140352131 is about 519.6843881145.
The spelling of 140352131 in words is "one hundred forty million, three hundred fifty-two thousand, one hundred thirty-one".
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