Base | Representation |
---|---|
bin | 1000000110010… |
… | …10001010101100 |
3 | 11201211112221222 |
4 | 10003022022230 |
5 | 114342440230 |
6 | 10424042512 |
7 | 1453311611 |
oct | 403121254 |
9 | 151745858 |
10 | 67936940 |
11 | 35392035 |
12 | 1a903438 |
13 | 110c8796 |
14 | 9046508 |
15 | 5e6e6e5 |
hex | 40ca2ac |
67936940 has 24 divisors (see below), whose sum is σ = 148871520. Its totient is φ = 25993088.
The previous prime is 67936931. The next prime is 67936991. The reversal of 67936940 is 4963976.
67936940 is nontrivially palindromic in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 67936891 and 67936900.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73385 + ... + 74304.
It is an arithmetic number, because the mean of its divisors is an integer number (6202980).
Almost surely, 267936940 is an apocalyptic number.
It is an amenable number.
67936940 is an abundant number, since it is smaller than the sum of its proper divisors (80934580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67936940 is a wasteful number, since it uses less digits than its factorization.
67936940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147721 (or 147719 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 44.
The square root of 67936940 is about 8242.3867902447. The cubic root of 67936940 is about 408.0393000078.
The spelling of 67936940 in words is "sixty-seven million, nine hundred thirty-six thousand, nine hundred forty".
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