Base | Representation |
---|---|
bin | 1110101011111… |
… | …01001101111101 |
3 | 22120211000112101 |
4 | 13111331031331 |
5 | 223014240120 |
6 | 20120305101 |
7 | 3024102562 |
oct | 725751575 |
9 | 276730471 |
10 | 123196285 |
11 | 635a5213 |
12 | 35312191 |
13 | 1c6a5a14 |
14 | 1250c869 |
15 | ac3790a |
hex | 757d37d |
123196285 has 8 divisors (see below), whose sum is σ = 155616480. Its totient is φ = 93369744.
The previous prime is 123196279. The next prime is 123196309. The reversal of 123196285 is 582691321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123196285 - 23 = 123196277 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648307 + ... + 648496.
It is an arithmetic number, because the mean of its divisors is an integer number (19452060).
Almost surely, 2123196285 is an apocalyptic number.
It is an amenable number.
123196285 is a deficient number, since it is larger than the sum of its proper divisors (32420195).
123196285 is a wasteful number, since it uses less digits than its factorization.
123196285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1296827.
The product of its digits is 25920, while the sum is 37.
The square root of 123196285 is about 11099.3821900140. The cubic root of 123196285 is about 497.5833854322.
The spelling of 123196285 in words is "one hundred twenty-three million, one hundred ninety-six thousand, two hundred eighty-five".
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