Base | Representation |
---|---|
bin | 10000101101000… |
… | …11111010111111 |
3 | 100202200110000020 |
4 | 20112203322333 |
5 | 241333211111 |
6 | 21523303223 |
7 | 3321050124 |
oct | 1026437277 |
9 | 322613006 |
10 | 140132031 |
11 | 721122a6 |
12 | 3ab1ab13 |
13 | 23055480 |
14 | 1487a74b |
15 | c480906 |
hex | 85a3ebf |
140132031 has 32 divisors (see below), whose sum is σ = 217244160. Its totient is φ = 79626624.
The previous prime is 140132023. The next prime is 140132033. The reversal of 140132031 is 130231041.
It is not a de Polignac number, because 140132031 - 23 = 140132023 is a prime.
It is a super-2 number, since 2×1401320312 = 39273972224369922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 140132031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140132033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23320 + ... + 28706.
It is an arithmetic number, because the mean of its divisors is an integer number (6788880).
Almost surely, 2140132031 is an apocalyptic number.
140132031 is a deficient number, since it is larger than the sum of its proper divisors (77112129).
140132031 is a wasteful number, since it uses less digits than its factorization.
140132031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5455.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 140132031 is about 11837.7375794533. The cubic root of 140132031 is about 519.4125898961.
Adding to 140132031 its reverse (130231041), we get a palindrome (270363072).
The spelling of 140132031 in words is "one hundred forty million, one hundred thirty-two thousand, thirty-one".
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