Base | Representation |
---|---|
bin | 11011001110001… |
… | …11011001101101 |
3 | 120220200202221010 |
4 | 31213013121231 |
5 | 431424421431 |
6 | 34354255433 |
7 | 5442003003 |
oct | 1547073155 |
9 | 526622833 |
10 | 228357741 |
11 | 1079a1607 |
12 | 64587579 |
13 | 38405931 |
14 | 22484a73 |
15 | 150ab846 |
hex | d9c766d |
228357741 has 16 divisors (see below), whose sum is σ = 313060608. Its totient is φ = 147974400.
The previous prime is 228357739. The next prime is 228357799. The reversal of 228357741 is 147753822.
It is not a de Polignac number, because 228357741 - 21 = 228357739 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 228357741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228357721) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31260 + ... + 37866.
It is an arithmetic number, because the mean of its divisors is an integer number (19566288).
Almost surely, 2228357741 is an apocalyptic number.
It is an amenable number.
228357741 is a deficient number, since it is larger than the sum of its proper divisors (84702867).
228357741 is a wasteful number, since it uses less digits than its factorization.
228357741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6932.
The product of its digits is 94080, while the sum is 39.
The square root of 228357741 is about 15111.5102157263. The cubic root of 228357741 is about 611.2308222035.
Subtracting from 228357741 its product of digits (94080), we obtain a triangular number (228263661 = T21366).
The spelling of 228357741 in words is "two hundred twenty-eight million, three hundred fifty-seven thousand, seven hundred forty-one".
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