Base | Representation |
---|---|
bin | 111100110011110… |
… | …110000001000010 |
3 | 2122002201201121120 |
4 | 330303312001002 |
5 | 4042134123204 |
6 | 245122533110 |
7 | 34165520460 |
oct | 7463660102 |
9 | 2562651546 |
10 | 1020223554 |
11 | 483987069 |
12 | 245807196 |
13 | 13349b29c |
14 | 996d3830 |
15 | 5e8786d9 |
hex | 3ccf6042 |
1020223554 has 32 divisors (see below), whose sum is σ = 2358149760. Its totient is φ = 288216192.
The previous prime is 1020223517. The next prime is 1020223573. The reversal of 1020223554 is 4553220201.
It is a super-2 number, since 2×10202235542 = 2081712200272781832, which contains 22 as substring.
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, 132729 + ... + 140204.
It is an arithmetic number, because the mean of its divisors is an integer number (73692180).
Almost surely, 21020223554 is an apocalyptic number.
1020223554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1020223554 is an abundant number, since it is smaller than the sum of its proper divisors (1337926206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020223554 is a wasteful number, since it uses less digits than its factorization.
1020223554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273034.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 1020223554 is about 31940.9385272255. The cubic root of 1020223554 is about 1006.6962448852.
Adding to 1020223554 its reverse (4553220201), we get a palindrome (5573443755).
The spelling of 1020223554 in words is "one billion, twenty million, two hundred twenty-three thousand, five hundred fifty-four".
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