Base | Representation |
---|---|
bin | 10000110000100… |
… | …10100010111000 |
3 | 100210112110120012 |
4 | 20120102202320 |
5 | 241442211034 |
6 | 21541121052 |
7 | 3324645140 |
oct | 1030224270 |
9 | 323473505 |
10 | 140585144 |
11 | 723a1777 |
12 | 3b0b9188 |
13 | 2318379b |
14 | 14957920 |
15 | c51ecce |
hex | 86128b8 |
140585144 has 16 divisors (see below), whose sum is σ = 301254000. Its totient is φ = 60250752.
The previous prime is 140585113. The next prime is 140585147. The reversal of 140585144 is 441585041.
It is a self number, because there is not a number n which added to its sum of digits gives 140585144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140585147) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255169 + ... + 1255280.
It is an arithmetic number, because the mean of its divisors is an integer number (18828375).
Almost surely, 2140585144 is an apocalyptic number.
140585144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
140585144 is an abundant number, since it is smaller than the sum of its proper divisors (160668856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140585144 is a wasteful number, since it uses less digits than its factorization.
140585144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2510462 (or 2510458 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 32.
The square root of 140585144 is about 11856.8606300319. The cubic root of 140585144 is about 519.9718229308.
The spelling of 140585144 in words is "one hundred forty million, five hundred eighty-five thousand, one hundred forty-four".
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