Base | Representation |
---|---|
bin | 11101100101000… |
… | …10101001101101 |
3 | 122021220022120211 |
4 | 32302202221231 |
5 | 1002010131112 |
6 | 40342142421 |
7 | 6102033352 |
oct | 1662425155 |
9 | 567808524 |
10 | 248130157 |
11 | 118076950 |
12 | 6b121a11 |
13 | 3c5395a2 |
14 | 24d50629 |
15 | 16bb50a7 |
hex | eca2a6d |
248130157 has 4 divisors (see below), whose sum is σ = 270687456. Its totient is φ = 225572860.
The previous prime is 248130133. The next prime is 248130209. The reversal of 248130157 is 751031842.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 248130157 - 223 = 239741549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248130457) 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, 11278633 + ... + 11278654.
It is an arithmetic number, because the mean of its divisors is an integer number (67671864).
Almost surely, 2248130157 is an apocalyptic number.
It is an amenable number.
248130157 is a deficient number, since it is larger than the sum of its proper divisors (22557299).
248130157 is a wasteful number, since it uses less digits than its factorization.
248130157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22557298.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 248130157 is about 15752.1476948383. The cubic root of 248130157 is about 628.3860232668.
Adding to 248130157 its reverse (751031842), we get a palindrome (999161999).
The spelling of 248130157 in words is "two hundred forty-eight million, one hundred thirty thousand, one hundred fifty-seven".
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