Base | Representation |
---|---|
bin | 11011010000100… |
… | …11111111100001 |
3 | 120221021201021020 |
4 | 31220103333201 |
5 | 432014441312 |
6 | 34405120053 |
7 | 5444450430 |
oct | 1550237741 |
9 | 527251236 |
10 | 228671457 |
11 | 108096283 |
12 | 646b9029 |
13 | 384b5671 |
14 | 22527117 |
15 | 1511e78c |
hex | da13fe1 |
228671457 has 8 divisors (see below), whose sum is σ = 348451776. Its totient is φ = 130669392.
The previous prime is 228671449. The next prime is 228671459. The reversal of 228671457 is 754176822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228671457 - 23 = 228671449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (228671459) 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, 5444538 + ... + 5444579.
It is an arithmetic number, because the mean of its divisors is an integer number (43556472).
Almost surely, 2228671457 is an apocalyptic number.
It is an amenable number.
228671457 is a deficient number, since it is larger than the sum of its proper divisors (119780319).
228671457 is a wasteful number, since it uses less digits than its factorization.
228671457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10889127.
The product of its digits is 188160, while the sum is 42.
The square root of 228671457 is about 15121.8866878442. The cubic root of 228671457 is about 611.5105954301.
The spelling of 228671457 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, four hundred fifty-seven".
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