Base | Representation |
---|---|
bin | 11011000110110… |
… | …11010011000001 |
3 | 120211212122100012 |
4 | 31203123103001 |
5 | 431203000112 |
6 | 34321434305 |
7 | 5430534344 |
oct | 1543332301 |
9 | 524778305 |
10 | 227390657 |
11 | 1073a0a6a |
12 | 6419b995 |
13 | 381576b0 |
14 | 222b245b |
15 | 14e6a022 |
hex | d8db4c1 |
227390657 has 16 divisors (see below), whose sum is σ = 260692992. Its totient is φ = 196481280.
The previous prime is 227390629. The next prime is 227390663. The reversal of 227390657 is 756093722.
227390657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 227390657 - 26 = 227390593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (227390687) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39518 + ... + 44904.
It is an arithmetic number, because the mean of its divisors is an integer number (16293312).
Almost surely, 2227390657 is an apocalyptic number.
It is an amenable number.
227390657 is a deficient number, since it is larger than the sum of its proper divisors (33302335).
227390657 is a wasteful number, since it uses less digits than its factorization.
227390657 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5608.
The product of its (nonzero) digits is 158760, while the sum is 41.
The square root of 227390657 is about 15079.4780082070. The cubic root of 227390657 is about 610.3667569615.
The spelling of 227390657 in words is "two hundred twenty-seven million, three hundred ninety thousand, six hundred fifty-seven".
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