Base | Representation |
---|---|
bin | 11101011101000… |
… | …01001010100110 |
3 | 122012220201212020 |
4 | 32232201022212 |
5 | 1001222403434 |
6 | 40303404010 |
7 | 6060051501 |
oct | 1656411246 |
9 | 565821766 |
10 | 247075494 |
11 | 117516526 |
12 | 6a8b3606 |
13 | 3c25a523 |
14 | 24b58138 |
15 | 16a57849 |
hex | eba12a6 |
247075494 has 8 divisors (see below), whose sum is σ = 494151000. Its totient is φ = 82358496.
The previous prime is 247075489. The next prime is 247075511. The reversal of 247075494 is 494570742.
247075494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
247075494 is an admirable number.
It is a super-2 number, since 2×2470754942 = 122092599470688072, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
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, 20589619 + ... + 20589630.
It is an arithmetic number, because the mean of its divisors is an integer number (61768875).
Almost surely, 2247075494 is an apocalyptic number.
247075494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247075494 is a wasteful number, since it uses less digits than its factorization.
247075494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41179254.
The product of its (nonzero) digits is 282240, while the sum is 42.
The square root of 247075494 is about 15718.6352461020. The cubic root of 247075494 is about 627.4944526316.
The spelling of 247075494 in words is "two hundred forty-seven million, seventy-five thousand, four hundred ninety-four".
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