Base | Representation |
---|---|
bin | 11010100101111… |
… | …10011110000011 |
3 | 120112202112212100 |
4 | 31102332132003 |
5 | 424102001100 |
6 | 34045201443 |
7 | 5346063660 |
oct | 1522763603 |
9 | 515675770 |
10 | 223078275 |
11 | 104a16012 |
12 | 62860283 |
13 | 372a78a4 |
14 | 218aca67 |
15 | 148b7400 |
hex | d4be783 |
223078275 has 36 divisors (see below), whose sum is σ = 456640912. Its totient is φ = 101977920.
The previous prime is 223078231. The next prime is 223078277. The reversal of 223078275 is 572870322.
It is a happy number.
It is not a de Polignac number, because 223078275 - 26 = 223078211 is a prime.
It is a super-3 number, since 3×2230782753 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (223078277) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69244 + ... + 72393.
Almost surely, 2223078275 is an apocalyptic number.
223078275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
223078275 is an abundant number, since it is smaller than the sum of its proper divisors (233562637).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223078275 is a wasteful number, since it uses less digits than its factorization.
223078275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141660 (or 141652 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 223078275 is about 14935.8051339725. The cubic root of 223078275 is about 606.4836432494.
The spelling of 223078275 in words is "two hundred twenty-three million, seventy-eight thousand, two hundred seventy-five".
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