Base | Representation |
---|---|
bin | 1000001100011… |
… | …01100101011001 |
3 | 11210100012221111 |
4 | 10012031211121 |
5 | 120044043434 |
6 | 10453140321 |
7 | 1463154331 |
oct | 406154531 |
9 | 153305844 |
10 | 68737369 |
11 | 35889448 |
12 | 1b02a6a1 |
13 | 11318bcc |
14 | 91b40c1 |
15 | 607b964 |
hex | 418d959 |
68737369 has 4 divisors (see below), whose sum is σ = 68901840. Its totient is φ = 68572900.
The previous prime is 68737351. The next prime is 68737373. The reversal of 68737369 is 96373786.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68737369 - 27 = 68737241 is a prime.
It is a super-2 number, since 2×687373692 = 9449651794084322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68737169) 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, 81607 + ... + 82444.
It is an arithmetic number, because the mean of its divisors is an integer number (17225460).
Almost surely, 268737369 is an apocalyptic number.
It is an amenable number.
68737369 is a deficient number, since it is larger than the sum of its proper divisors (164471).
68737369 is a wasteful number, since it uses less digits than its factorization.
68737369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164470.
The product of its digits is 1143072, while the sum is 49.
The square root of 68737369 is about 8290.8002629421. The cubic root of 68737369 is about 409.6355456499.
The spelling of 68737369 in words is "sixty-eight million, seven hundred thirty-seven thousand, three hundred sixty-nine".
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