Base | Representation |
---|---|
bin | 10000101110000… |
… | …01111101101111 |
3 | 100202220200210212 |
4 | 20113001331233 |
5 | 241401130322 |
6 | 21530053035 |
7 | 3322101650 |
oct | 1027017557 |
9 | 322820725 |
10 | 140255087 |
11 | 721967a5 |
12 | 3ab7a17b |
13 | 2309949b |
14 | 148ad527 |
15 | c4a70e2 |
hex | 85c1f6f |
140255087 has 8 divisors (see below), whose sum is σ = 160724256. Its totient is φ = 119894112.
The previous prime is 140255077. The next prime is 140255147. The reversal of 140255087 is 780552041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 140255087 - 222 = 136060783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140255047) 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, 24248 + ... + 29469.
It is an arithmetic number, because the mean of its divisors is an integer number (20090532).
Almost surely, 2140255087 is an apocalyptic number.
140255087 is a deficient number, since it is larger than the sum of its proper divisors (20469169).
140255087 is an equidigital number, since it uses as much as digits as its factorization.
140255087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54097.
The product of its (nonzero) digits is 11200, while the sum is 32.
The square root of 140255087 is about 11842.9340536879. The cubic root of 140255087 is about 519.5645849704.
The spelling of 140255087 in words is "one hundred forty million, two hundred fifty-five thousand, eighty-seven".
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