Base | Representation |
---|---|
bin | 11010100110000… |
… | …11110010001000 |
3 | 120112210122201110 |
4 | 31103003302020 |
5 | 424103200130 |
6 | 34045450320 |
7 | 5346214302 |
oct | 1523036210 |
9 | 515718643 |
10 | 223100040 |
11 | 104a303a9 |
12 | 628709a0 |
13 | 372b4777 |
14 | 218b6972 |
15 | 148bdab0 |
hex | d4c3c88 |
223100040 has 32 divisors (see below), whose sum is σ = 669300480. Its totient is φ = 59493312.
The previous prime is 223100021. The next prime is 223100041. The reversal of 223100040 is 40001322.
It is a super-3 number, since 3×2231000403 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 223099989 and 223100025.
It is not an unprimeable number, because it can be changed into a prime (223100041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929464 + ... + 929703.
It is an arithmetic number, because the mean of its divisors is an integer number (20915640).
Almost surely, 2223100040 is an apocalyptic number.
223100040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223100040 is an abundant number, since it is smaller than the sum of its proper divisors (446200440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223100040 is a wasteful number, since it uses less digits than its factorization.
223100040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859181 (or 1859177 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 223100040 is about 14936.5337344379. The cubic root of 223100040 is about 606.5033668005.
Adding to 223100040 its reverse (40001322), we get a palindrome (263101362).
The spelling of 223100040 in words is "two hundred twenty-three million, one hundred thousand, forty".
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