Base | Representation |
---|---|
bin | 101010010101110… |
… | …0010111111010000 |
3 | 10200000022010021120 |
4 | 1110223202333100 |
5 | 10402144423043 |
6 | 352550322240 |
7 | 50130523212 |
oct | 12453427720 |
9 | 3600263246 |
10 | 1420701648 |
11 | 669a491a3 |
12 | 337959380 |
13 | 198449382 |
14 | d69805b2 |
15 | 84ad3983 |
hex | 54ae2fd0 |
1420701648 has 40 divisors (see below), whose sum is σ = 3796706400. Its totient is φ = 457236864.
The previous prime is 1420701647. The next prime is 1420701661. The reversal of 1420701648 is 8461070241.
1420701648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420701641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508918 + ... + 511701.
It is an arithmetic number, because the mean of its divisors is an integer number (94917660).
Almost surely, 21420701648 is an apocalyptic number.
It is an amenable number.
1420701648 is an abundant number, since it is smaller than the sum of its proper divisors (2376004752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420701648 is a wasteful number, since it uses less digits than its factorization.
1420701648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020659 (or 1020653 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 1420701648 is about 37692.1961153765. The cubic root of 1420701648 is about 1124.1759622863.
Adding to 1420701648 its reverse (8461070241), we get a palindrome (9881771889).
The spelling of 1420701648 in words is "one billion, four hundred twenty million, seven hundred one thousand, six hundred forty-eight".
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