Base | Representation |
---|---|
bin | 1000001100010… |
… | …01000111100010 |
3 | 11210022021211220 |
4 | 10012021013202 |
5 | 120043002244 |
6 | 10452515510 |
7 | 1463050104 |
oct | 406110742 |
9 | 153267756 |
10 | 68719074 |
11 | 35876726 |
12 | 1b01bb96 |
13 | 11310798 |
14 | 91ab574 |
15 | 6076319 |
hex | 41891e2 |
68719074 has 16 divisors (see below), whose sum is σ = 140634912. Its totient is φ = 22373568.
The previous prime is 68719073. The next prime is 68719097. The reversal of 68719074 is 47091786.
It is a super-2 number, since 2×687190742 = 9444622262834952, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68719073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132919 + ... + 133434.
It is an arithmetic number, because the mean of its divisors is an integer number (8789682).
Almost surely, 268719074 is an apocalyptic number.
68719074 is an abundant number, since it is smaller than the sum of its proper divisors (71915838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68719074 is a wasteful number, since it uses less digits than its factorization.
68719074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266401.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 68719074 is about 8289.6968581487. The cubic root of 68719074 is about 409.5991998339.
The spelling of 68719074 in words is "sixty-eight million, seven hundred nineteen thousand, seventy-four".
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