Base | Representation |
---|---|
bin | 1000001000010… |
… | …01101000100110 |
3 | 11202022202120012 |
4 | 10010021220212 |
5 | 114424300102 |
6 | 10433410222 |
7 | 1455443534 |
oct | 404115046 |
9 | 152282505 |
10 | 68196902 |
11 | 3554a384 |
12 | 1aa09972 |
13 | 11189bc7 |
14 | 90b3154 |
15 | 5ec1752 |
hex | 4109a26 |
68196902 has 24 divisors (see below), whose sum is σ = 106503600. Its totient is φ = 32741280.
The previous prime is 68196857. The next prime is 68196907. The reversal of 68196902 is 20969186.
It is a self number, because there is not a number n which added to its sum of digits gives 68196902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68196907) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342599 + ... + 342797.
It is an arithmetic number, because the mean of its divisors is an integer number (4437650).
Almost surely, 268196902 is an apocalyptic number.
68196902 is a deficient number, since it is larger than the sum of its proper divisors (38306698).
68196902 is a wasteful number, since it uses less digits than its factorization.
68196902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368 (or 315 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 68196902 is about 8258.1415584864. The cubic root of 68196902 is about 408.5590942975.
The spelling of 68196902 in words is "sixty-eight million, one hundred ninety-six thousand, nine hundred two".
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