Base | Representation |
---|---|
bin | 111100110111100… |
… | …111110101010000 |
3 | 2122011121001021221 |
4 | 330313213311100 |
5 | 4042412322112 |
6 | 245200054424 |
7 | 34210114246 |
oct | 7467476520 |
9 | 2564531257 |
10 | 1021214032 |
11 | 4844a3243 |
12 | 246004414 |
13 | 133757077 |
14 | 998b0796 |
15 | 5e9c1e07 |
hex | 3cde7d50 |
1021214032 has 20 divisors (see below), whose sum is σ = 1979143540. Its totient is φ = 510467328.
The previous prime is 1021214011. The next prime is 1021214039. The reversal of 1021214032 is 2304121201.
It can be written as a sum of positive squares in 2 ways, for example, as 813162256 + 208051776 = 28516^2 + 14424^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 1021213997 and 1021214015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021214039) 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, 77218 + ... + 89470.
It is an arithmetic number, because the mean of its divisors is an integer number (98957177).
Almost surely, 21021214032 is an apocalyptic number.
It is an amenable number.
1021214032 is a deficient number, since it is larger than the sum of its proper divisors (957929508).
1021214032 is a wasteful number, since it uses less digits than its factorization.
1021214032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17470 (or 17464 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1021214032 is about 31956.4396014324. The cubic root of 1021214032 is about 1007.0219212117.
Adding to 1021214032 its reverse (2304121201), we get a palindrome (3325335233).
The spelling of 1021214032 in words is "one billion, twenty-one million, two hundred fourteen thousand, thirty-two".
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