Base | Representation |
---|---|
bin | 11011001111111… |
… | …00111111111011 |
3 | 120221002221002000 |
4 | 31213330333323 |
5 | 432003433100 |
6 | 34403112043 |
7 | 5443606023 |
oct | 1547747773 |
9 | 527087060 |
10 | 228577275 |
11 | 108031543 |
12 | 64672623 |
13 | 38481834 |
14 | 22500a83 |
15 | 15101900 |
hex | d9fcffb |
228577275 has 48 divisors (see below), whose sum is σ = 434421600. Its totient is φ = 117694080.
The previous prime is 228577273. The next prime is 228577301. The reversal of 228577275 is 572775822.
228577275 is a `hidden beast` number, since 2 + 2 + 8 + 577 + 2 + 75 = 666.
It is not a de Polignac number, because 228577275 - 21 = 228577273 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 228577275.
It is not an unprimeable number, because it can be changed into a prime (228577273) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13737 + ... + 25413.
It is an arithmetic number, because the mean of its divisors is an integer number (9050450).
Almost surely, 2228577275 is an apocalyptic number.
228577275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
228577275 is a deficient number, since it is larger than the sum of its proper divisors (205844325).
228577275 is a wasteful number, since it uses less digits than its factorization.
228577275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11725 (or 11714 counting only the distinct ones).
The product of its digits is 548800, while the sum is 45.
The square root of 228577275 is about 15118.7722715834. The cubic root of 228577275 is about 611.4266304258.
The spelling of 228577275 in words is "two hundred twenty-eight million, five hundred seventy-seven thousand, two hundred seventy-five".
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