Base | Representation |
---|---|
bin | 11010100101010… |
… | …11111100110100 |
3 | 120112121200210220 |
4 | 31102223330310 |
5 | 424042034140 |
6 | 34043414340 |
7 | 5345326554 |
oct | 1522537464 |
9 | 515550726 |
10 | 223002420 |
11 | 104974023 |
12 | 628243b0 |
13 | 3727c1c4 |
14 | 2188d164 |
15 | 1489ebd0 |
hex | d4abf34 |
223002420 has 24 divisors (see below), whose sum is σ = 624406944. Its totient is φ = 59467296.
The previous prime is 223002407. The next prime is 223002433. The reversal of 223002420 is 24200322.
It is an interprime number because it is at equal distance from previous prime (223002407) and next prime (223002433).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 223002420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858294 + ... + 1858413.
It is an arithmetic number, because the mean of its divisors is an integer number (26016956).
Almost surely, 2223002420 is an apocalyptic number.
223002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223002420 is an abundant number, since it is smaller than the sum of its proper divisors (401404524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223002420 is a wasteful number, since it uses less digits than its factorization.
223002420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3716719 (or 3716717 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 223002420 is about 14933.2655504414. The cubic root of 223002420 is about 606.4148930433.
Adding to 223002420 its reverse (24200322), we get a palindrome (247202742).
The spelling of 223002420 in words is "two hundred twenty-three million, two thousand, four hundred twenty".
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