Base | Representation |
---|---|
bin | 1000000110011… |
… | …00001010000111 |
3 | 11201211222011000 |
4 | 10003030022013 |
5 | 114343220340 |
6 | 10424144343 |
7 | 1453344441 |
oct | 403141207 |
9 | 151758130 |
10 | 67945095 |
11 | 35398179 |
12 | 1a9080b3 |
13 | 110cc3ca |
14 | 9049491 |
15 | 5e71d30 |
hex | 40cc287 |
67945095 has 16 divisors (see below), whose sum is σ = 120791520. Its totient is φ = 36237312.
The previous prime is 67945093. The next prime is 67945133. The reversal of 67945095 is 59054976.
It is a happy number.
It is not a de Polignac number, because 67945095 - 21 = 67945093 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 67945095.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67945093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251514 + ... + 251783.
It is an arithmetic number, because the mean of its divisors is an integer number (7549470).
Almost surely, 267945095 is an apocalyptic number.
67945095 is a deficient number, since it is larger than the sum of its proper divisors (52846425).
67945095 is a wasteful number, since it uses less digits than its factorization.
67945095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503311 (or 503305 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The square root of 67945095 is about 8242.8814743389. The cubic root of 67945095 is about 408.0556260662.
The spelling of 67945095 in words is "sixty-seven million, nine hundred forty-five thousand, ninety-five".
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