Base | Representation |
---|---|
bin | 11101101010000… |
… | …01101001011001 |
3 | 122100010101220222 |
4 | 32311001221121 |
5 | 1002142001101 |
6 | 40404125425 |
7 | 6110415131 |
oct | 1665015131 |
9 | 570111828 |
10 | 248781401 |
11 | 118481170 |
12 | 6b396875 |
13 | 3c706b3b |
14 | 2507dac1 |
15 | 16c9301b |
hex | ed41a59 |
248781401 has 8 divisors (see below), whose sum is σ = 280756800. Its totient is φ = 218365840.
The previous prime is 248781371. The next prime is 248781427. The reversal of 248781401 is 104187842.
248781401 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.
It is not a de Polignac number, because 248781401 - 226 = 181672537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (248781601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389621 + ... + 390258.
It is an arithmetic number, because the mean of its divisors is an integer number (35094600).
Almost surely, 2248781401 is an apocalyptic number.
It is an amenable number.
248781401 is a deficient number, since it is larger than the sum of its proper divisors (31975399).
248781401 is a wasteful number, since it uses less digits than its factorization.
248781401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779919.
The product of its (nonzero) digits is 14336, while the sum is 35.
The square root of 248781401 is about 15772.8057427967. The cubic root of 248781401 is about 628.9352983308.
The spelling of 248781401 in words is "two hundred forty-eight million, seven hundred eighty-one thousand, four hundred one".
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