Base | Representation |
---|---|
bin | 10000111000101… |
… | …00001011000101 |
3 | 100212112002002100 |
4 | 20130110023011 |
5 | 242224443024 |
6 | 22015502313 |
7 | 3336631512 |
oct | 1034241305 |
9 | 325462070 |
10 | 141640389 |
11 | 72a52580 |
12 | 3b527999 |
13 | 23462ba7 |
14 | 14b50309 |
15 | c67c7c9 |
hex | 87142c5 |
141640389 has 12 divisors (see below), whose sum is σ = 223191072. Its totient is φ = 85842600.
The previous prime is 141640361. The next prime is 141640397. The reversal of 141640389 is 983046141.
141640389 is a `hidden beast` number, since 1 + 4 + 1 + 640 + 3 + 8 + 9 = 666.
It is not a de Polignac number, because 141640389 - 25 = 141640357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141640309) 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 11 ways as a sum of consecutive naturals, for example, 715257 + ... + 715454.
It is an arithmetic number, because the mean of its divisors is an integer number (18599256).
Almost surely, 2141640389 is an apocalyptic number.
It is an amenable number.
141640389 is a deficient number, since it is larger than the sum of its proper divisors (81550683).
141640389 is a wasteful number, since it uses less digits than its factorization.
141640389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1430728 (or 1430725 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 141640389 is about 11901.2767802451. The cubic root of 141640389 is about 521.2695667482.
The spelling of 141640389 in words is "one hundred forty-one million, six hundred forty thousand, three hundred eighty-nine".
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