Base | Representation |
---|---|
bin | 11011001011111… |
… | …11100111101101 |
3 | 120220010211121122 |
4 | 31211333213231 |
5 | 431341014400 |
6 | 34344110325 |
7 | 5436336551 |
oct | 1545774755 |
9 | 526124548 |
10 | 228063725 |
11 | 10781071a |
12 | 644653a5 |
13 | 38331b66 |
14 | 22409861 |
15 | 1504e685 |
hex | d97f9ed |
228063725 has 12 divisors (see below), whose sum is σ = 283597920. Its totient is φ = 181935600.
The previous prime is 228063697. The next prime is 228063727. The reversal of 228063725 is 527360822.
It is a de Polignac number, because none of the positive numbers 2k-228063725 is a prime.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228063727) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3731 + ... + 21680.
It is an arithmetic number, because the mean of its divisors is an integer number (23633160).
Almost surely, 2228063725 is an apocalyptic number.
228063725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228063725 is a deficient number, since it is larger than the sum of its proper divisors (55534195).
228063725 is a wasteful number, since it uses less digits than its factorization.
228063725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25780 (or 25775 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 35.
The square root of 228063725 is about 15101.7788687293. The cubic root of 228063725 is about 610.9683848198.
The spelling of 228063725 in words is "two hundred twenty-eight million, sixty-three thousand, seven hundred twenty-five".
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