Base | Representation |
---|---|
bin | 1000000110000… |
… | …00001011101000 |
3 | 11201202110212011 |
4 | 10003000023220 |
5 | 114340133130 |
6 | 10423125304 |
7 | 1453051432 |
oct | 403001350 |
9 | 151673764 |
10 | 67896040 |
11 | 35364333 |
12 | 1a8a3834 |
13 | 110b2c94 |
14 | 9035652 |
15 | 5e6252a |
hex | 40c02e8 |
67896040 has 16 divisors (see below), whose sum is σ = 152766180. Its totient is φ = 27158400.
The previous prime is 67896013. The next prime is 67896043. The reversal of 67896040 is 4069876.
It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 3992004 = 7994^2 + 1998^2 .
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1697401 = 67896040 / (6 + 7 + 8 + 9 + 6 + 0 + 4 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 67895984 and 67896002.
It is not an unprimeable number, because it can be changed into a prime (67896043) 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, 848661 + ... + 848740.
Almost surely, 267896040 is an apocalyptic number.
It is an amenable number.
67896040 is an abundant number, since it is smaller than the sum of its proper divisors (84870140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67896040 is a wasteful number, since it uses less digits than its factorization.
67896040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1697412 (or 1697408 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 67896040 is about 8239.9053392621. The cubic root of 67896040 is about 407.9573997557.
The spelling of 67896040 in words is "sixty-seven million, eight hundred ninety-six thousand, forty".
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