Base | Representation |
---|---|
bin | 100110010110… |
… | …0001110001110 |
3 | 1101211101121111 |
4 | 1030230032032 |
5 | 20121312303 |
6 | 1554522234 |
7 | 332611321 |
oct | 114541616 |
9 | 41741544 |
10 | 20104078 |
11 | 10391545 |
12 | 689637a |
13 | 421b907 |
14 | 29547b8 |
15 | 1b71b6d |
hex | 132c38e |
20104078 has 8 divisors (see below), whose sum is σ = 30538080. Its totient is φ = 9924720.
The previous prime is 20104067. The next prime is 20104129. The reversal of 20104078 is 87040102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63463 + ... + 63778.
It is an arithmetic number, because the mean of its divisors is an integer number (3817260).
Almost surely, 220104078 is an apocalyptic number.
20104078 is a deficient number, since it is larger than the sum of its proper divisors (10434002).
20104078 is a wasteful number, since it uses less digits than its factorization.
20104078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127322.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 20104078 is about 4483.7571299079. The cubic root of 20104078 is about 271.9117991850.
The spelling of 20104078 in words is "twenty million, one hundred four thousand, seventy-eight".
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