Base | Representation |
---|---|
bin | 11010101000110… |
… | …10000011000100 |
3 | 120120110121102010 |
4 | 31110122003010 |
5 | 424201002010 |
6 | 34101214220 |
7 | 5352215403 |
oct | 1524320304 |
9 | 516417363 |
10 | 223453380 |
11 | 105151917 |
12 | 62a01370 |
13 | 373a9547 |
14 | 2196963a |
15 | 1493d620 |
hex | d51a0c4 |
223453380 has 24 divisors (see below), whose sum is σ = 625669632. Its totient is φ = 59587552.
The previous prime is 223453367. The next prime is 223453493. The reversal of 223453380 is 83354322.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 in 7 ways as a sum of consecutive naturals, for example, 1862052 + ... + 1862171.
It is an arithmetic number, because the mean of its divisors is an integer number (26069568).
Almost surely, 2223453380 is an apocalyptic number.
223453380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223453380 is an abundant number, since it is smaller than the sum of its proper divisors (402216252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223453380 is a wasteful number, since it uses less digits than its factorization.
223453380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3724235 (or 3724233 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 223453380 is about 14948.3571003639. The cubic root of 223453380 is about 606.8233859629.
The spelling of 223453380 in words is "two hundred twenty-three million, four hundred fifty-three thousand, three hundred eighty".
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