Base | Representation |
---|---|
bin | 101010101010001… |
… | …1010000011010000 |
3 | 10200202110022102020 |
4 | 1111110122003100 |
5 | 10412420203234 |
6 | 354012051440 |
7 | 50320544403 |
oct | 12524320320 |
9 | 3622408366 |
10 | 1431412944 |
11 | 674aa4805 |
12 | 33b463b80 |
13 | 19a729910 |
14 | d816bd3a |
15 | 859ec549 |
hex | 5551a0d0 |
1431412944 has 80 divisors (see below), whose sum is σ = 3991411200. Its totient is φ = 439423488.
The previous prime is 1431412933. The next prime is 1431412949. The reversal of 1431412944 is 4492141341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431412949) 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, 296502 + ... + 301290.
It is an arithmetic number, because the mean of its divisors is an integer number (49892640).
Almost surely, 21431412944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1431412944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995705600).
1431412944 is an abundant number, since it is smaller than the sum of its proper divisors (2559998256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431412944 is a wasteful number, since it uses less digits than its factorization.
1431412944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5292 (or 5286 counting only the distinct ones).
The product of its digits is 13824, while the sum is 33.
The square root of 1431412944 is about 37834.0183432847. The cubic root of 1431412944 is about 1126.9941110661.
The spelling of 1431412944 in words is "one billion, four hundred thirty-one million, four hundred twelve thousand, nine hundred forty-four".
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