Base | Representation |
---|---|
bin | 101010111011000… |
… | …1100100101110100 |
3 | 10201101010022222120 |
4 | 1111312030211310 |
5 | 10422202130313 |
6 | 354525555540 |
7 | 50456045652 |
oct | 12566144564 |
9 | 3641108876 |
10 | 1440270708 |
11 | 679aa4778 |
12 | 342415bb0 |
13 | 19c50b5b6 |
14 | d93d5dd2 |
15 | 8669bd23 |
hex | 55d8c974 |
1440270708 has 12 divisors (see below), whose sum is σ = 3360631680. Its totient is φ = 480090232.
The previous prime is 1440270677. The next prime is 1440270709. The reversal of 1440270708 is 8070720441.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1440270709) 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, 60011268 + ... + 60011291.
It is an arithmetic number, because the mean of its divisors is an integer number (280052640).
Almost surely, 21440270708 is an apocalyptic number.
It is an amenable number.
1440270708 is an abundant number, since it is smaller than the sum of its proper divisors (1920360972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440270708 is a wasteful number, since it uses less digits than its factorization.
1440270708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120022566 (or 120022564 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 1440270708 is about 37950.8986454866. The cubic root of 1440270708 is about 1129.3139929960.
The spelling of 1440270708 in words is "one billion, four hundred forty million, two hundred seventy thousand, seven hundred eight".
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