Base | Representation |
---|---|
bin | 10000101110000… |
… | …00101110100111 |
3 | 100202220102212022 |
4 | 20113000232213 |
5 | 241401000043 |
6 | 21530013355 |
7 | 3322051124 |
oct | 1027005647 |
9 | 322812768 |
10 | 140250023 |
11 | 72192a11 |
12 | 3ab7725b |
13 | 230970a4 |
14 | 148ab74b |
15 | c4a5868 |
hex | 85c0ba7 |
140250023 has 4 divisors (see below), whose sum is σ = 140387088. Its totient is φ = 140112960.
The previous prime is 140250007. The next prime is 140250049. The reversal of 140250023 is 320052041.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 140250023 - 24 = 140250007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 140249983 and 140250010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140250083) 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 3 ways as a sum of consecutive naturals, for example, 66986 + ... + 69047.
It is an arithmetic number, because the mean of its divisors is an integer number (35096772).
Almost surely, 2140250023 is an apocalyptic number.
140250023 is a deficient number, since it is larger than the sum of its proper divisors (137065).
140250023 is a wasteful number, since it uses less digits than its factorization.
140250023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137064.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 140250023 is about 11842.7202533877. The cubic root of 140250023 is about 519.5583318241.
The spelling of 140250023 in words is "one hundred forty million, two hundred fifty thousand, twenty-three".
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