Base | Representation |
---|---|
bin | 11010100110100… |
… | …10111100011100 |
3 | 120112220210220110 |
4 | 31103102330130 |
5 | 424112142030 |
6 | 34051050020 |
7 | 5346563325 |
oct | 1523227434 |
9 | 515823813 |
10 | 223162140 |
11 | 104a73023 |
12 | 628a0910 |
13 | 37306b06 |
14 | 218d144c |
15 | 148d21b0 |
hex | d4d2f1c |
223162140 has 48 divisors (see below), whose sum is σ = 628336800. Its totient is φ = 59178240.
The previous prime is 223162129. The next prime is 223162141. The reversal of 223162140 is 41261322.
It is a super-3 number, since 3×2231621403 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223162141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586 + ... + 21134.
It is an arithmetic number, because the mean of its divisors is an integer number (13090350).
Almost surely, 2223162140 is an apocalyptic number.
223162140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223162140 is an abundant number, since it is smaller than the sum of its proper divisors (405174660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223162140 is a wasteful number, since it uses less digits than its factorization.
223162140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20742 (or 20740 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 223162140 is about 14938.6123853590. The cubic root of 223162140 is about 606.5596350782.
The spelling of 223162140 in words is "two hundred twenty-three million, one hundred sixty-two thousand, one hundred forty".
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