Base | Representation |
---|---|
bin | 1100011111011… |
… | …01011010100110 |
3 | 21022011110011111 |
4 | 12033231122212 |
5 | 203311001403 |
6 | 14221455234 |
7 | 2411425234 |
oct | 617553246 |
9 | 238143144 |
10 | 104781478 |
11 | 5416796a |
12 | 2b11151a |
13 | 18928c99 |
14 | dcb7954 |
15 | 92eb56d |
hex | 63ed6a6 |
104781478 has 8 divisors (see below), whose sum is σ = 158113872. Its totient is φ = 52076856.
The previous prime is 104781473. The next prime is 104781487. The reversal of 104781478 is 874187401.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 104781478.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104781473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156525 + ... + 157192.
It is an arithmetic number, because the mean of its divisors is an integer number (19764234).
Almost surely, 2104781478 is an apocalyptic number.
104781478 is a deficient number, since it is larger than the sum of its proper divisors (53332394).
104781478 is a wasteful number, since it uses less digits than its factorization.
104781478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313886.
The product of its (nonzero) digits is 50176, while the sum is 40.
The square root of 104781478 is about 10236.2824306483. The cubic root of 104781478 is about 471.4418945642.
The spelling of 104781478 in words is "one hundred four million, seven hundred eighty-one thousand, four hundred seventy-eight".
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