Base | Representation |
---|---|
bin | 1000001100000… |
… | …11110001101010 |
3 | 11210021011211112 |
4 | 10012003301222 |
5 | 120041302234 |
6 | 10452230322 |
7 | 1462626236 |
oct | 406036152 |
9 | 153234745 |
10 | 68697194 |
11 | 35861245 |
12 | 1b00b3a2 |
13 | 11303837 |
14 | 91a35c6 |
15 | 606eace |
hex | 4183c6a |
68697194 has 16 divisors (see below), whose sum is σ = 104037696. Its totient is φ = 34020000.
The previous prime is 68697193. The next prime is 68697199. The reversal of 68697194 is 49179686.
It is not an unprimeable number, because it can be changed into a prime (68697193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140819 + ... + 141305.
It is an arithmetic number, because the mean of its divisors is an integer number (6502356).
Almost surely, 268697194 is an apocalyptic number.
68697194 is a deficient number, since it is larger than the sum of its proper divisors (35340502).
68697194 is a wasteful number, since it uses less digits than its factorization.
68697194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021.
The product of its digits is 653184, while the sum is 50.
The square root of 68697194 is about 8288.3770425820. The cubic root of 68697194 is about 409.5557233952. Note that the first 3 decimals are identical.
The spelling of 68697194 in words is "sixty-eight million, six hundred ninety-seven thousand, one hundred ninety-four".
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