Base | Representation |
---|---|
bin | 1000000110001… |
… | …00110111101010 |
3 | 11201210110012100 |
4 | 10003010313222 |
5 | 114341241432 |
6 | 10423354230 |
7 | 1453161423 |
oct | 403046752 |
9 | 151713170 |
10 | 67915242 |
11 | 353777aa |
12 | 1a8b2976 |
13 | 110bb945 |
14 | 903c64a |
15 | 5e6807c |
hex | 40c4dea |
67915242 has 24 divisors (see below), whose sum is σ = 147607200. Its totient is φ = 22568040.
The previous prime is 67915241. The next prime is 67915249. The reversal of 67915242 is 24251976.
It is a super-2 number, since 2×679152422 = 9224960191837128, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 67915197 and 67915206.
It is not an unprimeable number, because it can be changed into a prime (67915241) 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, 259 + ... + 11657.
It is an arithmetic number, because the mean of its divisors is an integer number (6150300).
Almost surely, 267915242 is an apocalyptic number.
67915242 is an abundant number, since it is smaller than the sum of its proper divisors (79691958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67915242 is a wasteful number, since it uses less digits than its factorization.
67915242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11738 (or 11735 counting only the distinct ones).
The product of its digits is 30240, while the sum is 36.
The square root of 67915242 is about 8241.0704401795. The cubic root of 67915242 is about 407.9958549175.
The spelling of 67915242 in words is "sixty-seven million, nine hundred fifteen thousand, two hundred forty-two".
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