Base | Representation |
---|---|
bin | 101010111011111… |
… | …0101101011011100 |
3 | 10201101221012102210 |
4 | 1111313311223130 |
5 | 10422304414043 |
6 | 354543120420 |
7 | 50462520615 |
oct | 12567655334 |
9 | 3641835383 |
10 | 1440701148 |
11 | 67a269107 |
12 | 3425a3110 |
13 | 19c62c4b3 |
14 | d94a8c0c |
15 | 86734633 |
hex | 55df5adc |
1440701148 has 12 divisors (see below), whose sum is σ = 3361636040. Its totient is φ = 480233712.
The previous prime is 1440701147. The next prime is 1440701177. The reversal of 1440701148 is 8411070441.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1440701147) 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, 60029203 + ... + 60029226.
Almost surely, 21440701148 is an apocalyptic number.
It is an amenable number.
1440701148 is an abundant number, since it is smaller than the sum of its proper divisors (1920934892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440701148 is a wasteful number, since it uses less digits than its factorization.
1440701148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120058436 (or 120058434 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 1440701148 is about 37956.5692337967. The cubic root of 1440701148 is about 1129.4264842323.
Adding to 1440701148 its reverse (8411070441), we get a palindrome (9851771589).
The spelling of 1440701148 in words is "one billion, four hundred forty million, seven hundred one thousand, one hundred forty-eight".
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