Base | Representation |
---|---|
bin | 11101100110100… |
… | …01010011100111 |
3 | 122022021000201112 |
4 | 32303101103213 |
5 | 1002032240010 |
6 | 40350215235 |
7 | 6103460450 |
oct | 1663212347 |
9 | 568230645 |
10 | 248321255 |
11 | 118197486 |
12 | 6b1b451b |
13 | 3c5a5570 |
14 | 24da0127 |
15 | 16c01a05 |
hex | ecd14e7 |
248321255 has 32 divisors (see below), whose sum is σ = 367936128. Its totient is φ = 156672000.
The previous prime is 248321251. The next prime is 248321267. The reversal of 248321255 is 552123842.
It is not a de Polignac number, because 248321255 - 22 = 248321251 is a prime.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248321251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181775 + ... + 183135.
It is an arithmetic number, because the mean of its divisors is an integer number (11498004).
Almost surely, 2248321255 is an apocalyptic number.
248321255 is a deficient number, since it is larger than the sum of its proper divisors (119614873).
248321255 is a wasteful number, since it uses less digits than its factorization.
248321255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1787.
The product of its digits is 19200, while the sum is 32.
The square root of 248321255 is about 15758.2123034309. The cubic root of 248321255 is about 628.5472995091.
The spelling of 248321255 in words is "two hundred forty-eight million, three hundred twenty-one thousand, two hundred fifty-five".
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