Base | Representation |
---|---|
bin | 1110100000011… |
… | …0000000000101 |
3 | 11020111002112000 |
4 | 3220012000011 |
5 | 111033420424 |
6 | 10012015513 |
7 | 1336101615 |
oct | 350060005 |
9 | 136432460 |
10 | 60841989 |
11 | 3138653a |
12 | 18461599 |
13 | c7b32a0 |
14 | 811aa45 |
15 | 551c3c9 |
hex | 3a06005 |
60841989 has 32 divisors (see below), whose sum is σ = 98125440. Its totient is φ = 37034496.
The previous prime is 60841987. The next prime is 60841993. The reversal of 60841989 is 98914806.
It is not a de Polignac number, because 60841989 - 21 = 60841987 is a prime.
It is a super-2 number, since 2×608419892 = 7403495250952242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (60841981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33154 + ... + 34940.
It is an arithmetic number, because the mean of its divisors is an integer number (3066420).
Almost surely, 260841989 is an apocalyptic number.
It is an amenable number.
60841989 is a deficient number, since it is larger than the sum of its proper divisors (37283451).
60841989 is a wasteful number, since it uses less digits than its factorization.
60841989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1906 (or 1900 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The square root of 60841989 is about 7800.1274989579. The cubic root of 60841989 is about 393.3095283081.
The spelling of 60841989 in words is "sixty million, eight hundred forty-one thousand, nine hundred eighty-nine".
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