Base | Representation |
---|---|
bin | 1000001011011… |
… | …00100010010001 |
3 | 11210002100020212 |
4 | 10011230202101 |
5 | 120030231001 |
6 | 10450213505 |
7 | 1462051556 |
oct | 405544221 |
9 | 153070225 |
10 | 68602001 |
11 | 357a6776 |
12 | 1ab84295 |
13 | 1129c400 |
14 | 917aa2d |
15 | 60517bb |
hex | 416c891 |
68602001 has 12 divisors (see below), whose sum is σ = 75136140. Its totient is φ = 62599680.
The previous prime is 68601991. The next prime is 68602013. The reversal of 68602001 is 10020686.
It can be written as a sum of positive squares in 6 ways, for example, as 24512401 + 44089600 = 4951^2 + 6640^2 .
It is not a de Polignac number, because 68602001 - 26 = 68601937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68602201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12761 + ... + 17321.
It is an arithmetic number, because the mean of its divisors is an integer number (6261345).
Almost surely, 268602001 is an apocalyptic number.
It is an amenable number.
68602001 is a deficient number, since it is larger than the sum of its proper divisors (6534139).
68602001 is a wasteful number, since it uses less digits than its factorization.
68602001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4676 (or 4663 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 68602001 is about 8282.6324921489. The cubic root of 68602001 is about 409.3664635557.
Adding to 68602001 its reverse (10020686), we get a palindrome (78622687).
The spelling of 68602001 in words is "sixty-eight million, six hundred two thousand, one".
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