Base | Representation |
---|---|
bin | 10000101100011… |
… | …11111101101111 |
3 | 100202112021212200 |
4 | 20112033331233 |
5 | 241323102122 |
6 | 21521432543 |
7 | 3320256606 |
oct | 1026177557 |
9 | 322467780 |
10 | 140050287 |
11 | 72066943 |
12 | 3aa9b753 |
13 | 230271c0 |
14 | 14858a3d |
15 | c4665ac |
hex | 858ff6f |
140050287 has 12 divisors (see below), whose sum is σ = 217856184. Its totient is φ = 86184720.
The previous prime is 140050259. The next prime is 140050297. The reversal of 140050287 is 782050041.
It is not a de Polignac number, because 140050287 - 26 = 140050223 is a prime.
It is a super-2 number, since 2×1400502872 = 39228165777564738, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 140050287.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140050297) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598389 + ... + 598622.
It is an arithmetic number, because the mean of its divisors is an integer number (18154682).
Almost surely, 2140050287 is an apocalyptic number.
140050287 is a deficient number, since it is larger than the sum of its proper divisors (77805897).
140050287 is a wasteful number, since it uses less digits than its factorization.
140050287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1197030 (or 1197027 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 140050287 is about 11834.2843890114. The cubic root of 140050287 is about 519.3115729693.
The spelling of 140050287 in words is "one hundred forty million, fifty thousand, two hundred eighty-seven".
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