Base | Representation |
---|---|
bin | 10000101110010… |
… | …01010001111110 |
3 | 100202222012220202 |
4 | 20113021101332 |
5 | 241403110204 |
6 | 21530443502 |
7 | 3322255220 |
oct | 1027112176 |
9 | 322865822 |
10 | 140285054 |
11 | 72207268 |
12 | 3ab93592 |
13 | 230aa010 |
14 | 148ba410 |
15 | c4b0e1e |
hex | 85c947e |
140285054 has 32 divisors (see below), whose sum is σ = 274228416. Its totient is φ = 52231680.
The previous prime is 140285039. The next prime is 140285059. The reversal of 140285054 is 450582041.
140285054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1402850543 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140285059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19577 + ... + 25764.
It is an arithmetic number, because the mean of its divisors is an integer number (8569638).
Almost surely, 2140285054 is an apocalyptic number.
140285054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
140285054 is a deficient number, since it is larger than the sum of its proper divisors (133943362).
140285054 is a wasteful number, since it uses less digits than its factorization.
140285054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45380.
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 140285054 is about 11844.1991709022. The cubic root of 140285054 is about 519.6015858462.
The spelling of 140285054 in words is "one hundred forty million, two hundred eighty-five thousand, fifty-four".
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