Base | Representation |
---|---|
bin | 11010101010111… |
… | …01100101111110 |
3 | 120120222122221000 |
4 | 31111131211332 |
5 | 424233330141 |
6 | 34111151130 |
7 | 5354450121 |
oct | 1525354576 |
9 | 516878830 |
10 | 223730046 |
11 | 105320771 |
12 | 62b154a6 |
13 | 37475457 |
14 | 219dc3b8 |
15 | 149955b6 |
hex | d55d97e |
223730046 has 32 divisors (see below), whose sum is σ = 510619680. Its totient is φ = 72560448.
The previous prime is 223730027. The next prime is 223730057. The reversal of 223730046 is 640037322.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53991 + ... + 57986.
It is an arithmetic number, because the mean of its divisors is an integer number (15956865).
Almost surely, 2223730046 is an apocalyptic number.
223730046 is an abundant number, since it is smaller than the sum of its proper divisors (286889634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223730046 is a wasteful number, since it uses less digits than its factorization.
223730046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112025 (or 112019 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 27.
The square root of 223730046 is about 14957.6082981204. The cubic root of 223730046 is about 607.0737262610.
Adding to 223730046 its reverse (640037322), we get a palindrome (863767368).
The spelling of 223730046 in words is "two hundred twenty-three million, seven hundred thirty thousand, forty-six".
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