Base | Representation |
---|---|
bin | 10000101101101… |
… | …00100011010000 |
3 | 100202210220102221 |
4 | 20112310203100 |
5 | 241342401034 |
6 | 21524550424 |
7 | 3321452530 |
oct | 1026644320 |
9 | 322726387 |
10 | 140200144 |
11 | 72159497 |
12 | 3ab52414 |
13 | 2307a486 |
14 | 148974c0 |
15 | c495bb4 |
hex | 85b48d0 |
140200144 has 20 divisors (see below), whose sum is σ = 310443424. Its totient is φ = 60085728.
The previous prime is 140200129. The next prime is 140200147. The reversal of 140200144 is 441002041.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140200147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625782 + ... + 626005.
Almost surely, 2140200144 is an apocalyptic number.
140200144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
140200144 is an abundant number, since it is smaller than the sum of its proper divisors (170243280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140200144 is a wasteful number, since it uses less digits than its factorization.
140200144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251802 (or 1251796 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 140200144 is about 11840.6141732598. The cubic root of 140200144 is about 519.4967320177.
Adding to 140200144 its reverse (441002041), we get a palindrome (581202185).
The spelling of 140200144 in words is "one hundred forty million, two hundred thousand, one hundred forty-four".
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