Base | Representation |
---|---|
bin | 10111111110010… |
… | …110010010101000 |
3 | 1001000211220101110 |
4 | 113332112102220 |
5 | 1310432021300 |
6 | 103524550320 |
7 | 12652546434 |
oct | 2776262250 |
9 | 1030756343 |
10 | 402220200 |
11 | 197051a98 |
12 | b28523a0 |
13 | 6543b025 |
14 | 3b5c19c4 |
15 | 254a1550 |
hex | 17f964a8 |
402220200 has 96 divisors (see below), whose sum is σ = 1259919360. Its totient is φ = 106137600.
The previous prime is 402220171. The next prime is 402220207. The reversal of 402220200 is 2022204.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (402220207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54745 + ... + 61655.
It is an arithmetic number, because the mean of its divisors is an integer number (13124160).
Almost surely, 2402220200 is an apocalyptic number.
402220200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 402220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629959680).
402220200 is an abundant number, since it is smaller than the sum of its proper divisors (857699160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
402220200 is a wasteful number, since it uses less digits than its factorization.
402220200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7027 (or 7018 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 402220200 is about 20055.4281928858. The cubic root of 402220200 is about 738.1669997584.
Adding to 402220200 its reverse (2022204), we get a palindrome (404242404).
The spelling of 402220200 in words is "four hundred two million, two hundred twenty thousand, two hundred".
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