Base | Representation |
---|---|
bin | 11101100100001… |
… | …10000010011101 |
3 | 122021200100211002 |
4 | 32302012002131 |
5 | 1001442403312 |
6 | 40335440045 |
7 | 6101034563 |
oct | 1662060235 |
9 | 567610732 |
10 | 248012957 |
11 | 117aa6895 |
12 | 6b086025 |
13 | 3c4c813a |
14 | 24d1da33 |
15 | 16b904c2 |
hex | ec8609d |
248012957 has 2 divisors, whose sum is σ = 248012958. Its totient is φ = 248012956.
The previous prime is 248012951. The next prime is 248012981. The reversal of 248012957 is 759210842.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 173949721 + 74063236 = 13189^2 + 8606^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-248012957 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 248012957.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248012951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124006478 + 124006479.
It is an arithmetic number, because the mean of its divisors is an integer number (124006479).
Almost surely, 2248012957 is an apocalyptic number.
It is an amenable number.
248012957 is a deficient number, since it is larger than the sum of its proper divisors (1).
248012957 is an equidigital number, since it uses as much as digits as its factorization.
248012957 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 248012957 is about 15748.4271278118. The cubic root of 248012957 is about 628.2870719192.
The spelling of 248012957 in words is "two hundred forty-eight million, twelve thousand, nine hundred fifty-seven".
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