Base | Representation |
---|---|
bin | 11010100110001… |
… | …00001000100110 |
3 | 120112210201200201 |
4 | 31103010020212 |
5 | 424103221403 |
6 | 34045501114 |
7 | 5346221425 |
oct | 1523041046 |
9 | 515721621 |
10 | 223101478 |
11 | 104a31496 |
12 | 6287179a |
13 | 372b5312 |
14 | 218b72bc |
15 | 148be21d |
hex | d4c4226 |
223101478 has 4 divisors (see below), whose sum is σ = 334652220. Its totient is φ = 111550738.
The previous prime is 223101469. The next prime is 223101499. The reversal of 223101478 is 874101322.
223101478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874101322 = 2 ⋅437050661.
It is a super-3 number, since 3×2231014783 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55775368 + ... + 55775371.
It is an arithmetic number, because the mean of its divisors is an integer number (83663055).
Almost surely, 2223101478 is an apocalyptic number.
223101478 is a deficient number, since it is larger than the sum of its proper divisors (111550742).
223101478 is a wasteful number, since it uses less digits than its factorization.
223101478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111550741.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 223101478 is about 14936.5818713653. The cubic root of 223101478 is about 606.5046698780.
The spelling of 223101478 in words is "two hundred twenty-three million, one hundred one thousand, four hundred seventy-eight".
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