Base | Representation |
---|---|
bin | 10000101111101… |
… | …10101001010110 |
3 | 100210022122210211 |
4 | 20113312221112 |
5 | 241430031440 |
6 | 21534440034 |
7 | 3323661031 |
oct | 1027665126 |
9 | 323278724 |
10 | 140470870 |
11 | 72323931 |
12 | 3b06301a |
13 | 23143777 |
14 | 14928018 |
15 | c4eaeea |
hex | 85f6a56 |
140470870 has 32 divisors (see below), whose sum is σ = 260571168. Its totient is φ = 54482688.
The previous prime is 140470853. The next prime is 140470871. The reversal of 140470870 is 78074041.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140470871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163482 + ... + 164338.
It is an arithmetic number, because the mean of its divisors is an integer number (8142849).
Almost surely, 2140470870 is an apocalyptic number.
140470870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
140470870 is a deficient number, since it is larger than the sum of its proper divisors (120100298).
140470870 is a wasteful number, since it uses less digits than its factorization.
140470870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1344.
The product of its (nonzero) digits is 6272, while the sum is 31.
The square root of 140470870 is about 11852.0407525455. The cubic root of 140470870 is about 519.8308991574.
The spelling of 140470870 in words is "one hundred forty million, four hundred seventy thousand, eight hundred seventy".
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