Base | Representation |
---|---|
bin | 1011111011001111… |
… | …0011010001110101 |
3 | 22021002201101000102 |
4 | 2332303303101311 |
5 | 23024010003141 |
6 | 1245353523445 |
7 | 142221115415 |
oct | 27663632165 |
9 | 8232641012 |
10 | 3201250421 |
11 | 13a3027906 |
12 | 754113585 |
13 | 3c02b8a25 |
14 | 225232645 |
15 | 13b09899b |
hex | becf3475 |
3201250421 has 8 divisors (see below), whose sum is σ = 3208663680. Its totient is φ = 3193846992.
The previous prime is 3201250387. The next prime is 3201250427. The reversal of 3201250421 is 1240521023.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3201250421 - 214 = 3201234037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3201250393 and 3201250402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3201250427) 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, 1394951 + ... + 1397243.
It is an arithmetic number, because the mean of its divisors is an integer number (401082960).
Almost surely, 23201250421 is an apocalyptic number.
It is an amenable number.
3201250421 is a deficient number, since it is larger than the sum of its proper divisors (7413259).
3201250421 is a wasteful number, since it uses less digits than its factorization.
3201250421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4915.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 3201250421 is about 56579.5936800539. The cubic root of 3201250421 is about 1473.8045157254.
Adding to 3201250421 its reverse (1240521023), we get a palindrome (4441771444).
The spelling of 3201250421 in words is "three billion, two hundred one million, two hundred fifty thousand, four hundred twenty-one".
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