Base | Representation |
---|---|
bin | 1000001110000… |
… | …01111110001010 |
3 | 11210202010021210 |
4 | 10013001332022 |
5 | 120122430241 |
6 | 10501513550 |
7 | 1465040040 |
oct | 407017612 |
9 | 153663253 |
10 | 68951946 |
11 | 35a15688 |
12 | 1b1128b6 |
13 | 1139278b |
14 | 922c390 |
15 | 60c0316 |
hex | 41c1f8a |
68951946 has 16 divisors (see below), whose sum is σ = 157604544. Its totient is φ = 19700544.
The previous prime is 68951941. The next prime is 68951951. The reversal of 68951946 is 64915986.
It is an interprime number because it is at equal distance from previous prime (68951941) and next prime (68951951).
It is a junction number, because it is equal to n+sod(n) for n = 68951895 and 68951904.
It is not an unprimeable number, because it can be changed into a prime (68951941) 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, 820815 + ... + 820898.
It is an arithmetic number, because the mean of its divisors is an integer number (9850284).
Almost surely, 268951946 is an apocalyptic number.
68951946 is an abundant number, since it is smaller than the sum of its proper divisors (88652598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68951946 is a wasteful number, since it uses less digits than its factorization.
68951946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1641725.
The product of its digits is 466560, while the sum is 48.
The square root of 68951946 is about 8303.7308482392. The cubic root of 68951946 is about 410.0613550853.
The spelling of 68951946 in words is "sixty-eight million, nine hundred fifty-one thousand, nine hundred forty-six".
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