Base | Representation |
---|---|
bin | 111100111000011… |
… | …011001100011110 |
3 | 2122011222201212212 |
4 | 330320123030132 |
5 | 4042441040124 |
6 | 245204400422 |
7 | 34211651513 |
oct | 7470331436 |
9 | 2564881785 |
10 | 1021424414 |
11 | 48462730a |
12 | 2460a6112 |
13 | 1337cba5a |
14 | 9992730a |
15 | 5ea1440e |
hex | 3ce1b31e |
1021424414 has 16 divisors (see below), whose sum is σ = 1547260800. Its totient is φ = 505695960.
The previous prime is 1021424407. The next prime is 1021424419. The reversal of 1021424414 is 4144241201.
It is a self number, because there is not a number n which added to its sum of digits gives 1021424414.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021424419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77897 + ... + 90059.
It is an arithmetic number, because the mean of its divisors is an integer number (96703800).
Almost surely, 21021424414 is an apocalyptic number.
1021424414 is a deficient number, since it is larger than the sum of its proper divisors (525836386).
1021424414 is a wasteful number, since it uses less digits than its factorization.
1021424414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12575.
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 1021424414 is about 31959.7311315349. The cubic root of 1021424414 is about 1007.0910692167.
Adding to 1021424414 its reverse (4144241201), we get a palindrome (5165665615).
It can be divided in two parts, 10214244 and 14, that multiplied together give a triangular number (142999416 = T16911).
The spelling of 1021424414 in words is "one billion, twenty-one million, four hundred twenty-four thousand, four hundred fourteen".
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