Base | Representation |
---|---|
bin | 11011000111010… |
… | …10110111010101 |
3 | 120211222212210211 |
4 | 31203222313111 |
5 | 431212020141 |
6 | 34323045421 |
7 | 5431221265 |
oct | 1543526725 |
9 | 524885724 |
10 | 227454421 |
11 | 107434967 |
12 | 64210871 |
13 | 3817a71c |
14 | 222cb7a5 |
15 | 14e7dd81 |
hex | d8eadd5 |
227454421 has 6 divisors (see below), whose sum is σ = 231302966. Its totient is φ = 223609800.
The previous prime is 227454419. The next prime is 227454431. The reversal of 227454421 is 124454722.
It can be written as a sum of positive squares in only one way, i.e., 134235396 + 93219025 = 11586^2 + 9655^2 .
It is not a de Polignac number, because 227454421 - 21 = 227454419 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 (227454431) 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 5 ways as a sum of consecutive naturals, for example, 116826 + ... + 118756.
Almost surely, 2227454421 is an apocalyptic number.
It is an amenable number.
227454421 is a deficient number, since it is larger than the sum of its proper divisors (3848545).
227454421 is an frugal number, since it uses more digits than its factorization.
227454421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3923 (or 1992 counting only the distinct ones).
The product of its digits is 17920, while the sum is 31.
The square root of 227454421 is about 15081.5921241757. The cubic root of 227454421 is about 610.4238038503.
The spelling of 227454421 in words is "two hundred twenty-seven million, four hundred fifty-four thousand, four hundred twenty-one".
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