Base | Representation |
---|---|
bin | 1000001101101… |
… | …01110111110010 |
3 | 11210122121022020 |
4 | 10012311313302 |
5 | 120114334021 |
6 | 10500452310 |
7 | 1464442410 |
oct | 406656762 |
9 | 153577266 |
10 | 68902386 |
11 | 35991423 |
12 | 1b0aa096 |
13 | 11376057 |
14 | 92182b0 |
15 | 60b07c6 |
hex | 41b5df2 |
68902386 has 32 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 19205760.
The previous prime is 68902381. The next prime is 68902387. The reversal of 68902386 is 68320986.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (68902381) 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, 18285 + ... + 21728.
It is an arithmetic number, because the mean of its divisors is an integer number (5041764).
Almost surely, 268902386 is an apocalyptic number.
68902386 is an abundant number, since it is smaller than the sum of its proper divisors (92434062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68902386 is a wasteful number, since it uses less digits than its factorization.
68902386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40066.
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 68902386 is about 8300.7461110433. The cubic root of 68902386 is about 409.9630861075.
The spelling of 68902386 in words is "sixty-eight million, nine hundred two thousand, three hundred eighty-six".
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