Base | Representation |
---|---|
bin | 101010010101011… |
… | …0100001101011100 |
3 | 10122222221101110010 |
4 | 1110222310031130 |
5 | 10402122310134 |
6 | 352542243220 |
7 | 50126064462 |
oct | 12452641534 |
9 | 3588841403 |
10 | 1420510044 |
11 | 669928248 |
12 | 337886510 |
13 | 1983b00b5 |
14 | d6930832 |
15 | 84a96ce9 |
hex | 54ab435c |
1420510044 has 12 divisors (see below), whose sum is σ = 3314523464. Its totient is φ = 473503344.
The previous prime is 1420510037. The next prime is 1420510051. The reversal of 1420510044 is 4400150241.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1420510037) and next prime (1420510051).
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 1420510044.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59187907 + ... + 59187930.
Almost surely, 21420510044 is an apocalyptic number.
It is an amenable number.
1420510044 is an abundant number, since it is smaller than the sum of its proper divisors (1894013420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420510044 is a wasteful number, since it uses less digits than its factorization.
1420510044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118375844 (or 118375842 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 1420510044 is about 37689.6543364356. The cubic root of 1420510044 is about 1124.1254224010.
Adding to 1420510044 its reverse (4400150241), we get a palindrome (5820660285).
The spelling of 1420510044 in words is "one billion, four hundred twenty million, five hundred ten thousand, forty-four".
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