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223030100 = 22522230301
BaseRepresentation
bin11010100101100…
…10101101010100
3120112200002210002
431102302231110
5424043430400
634044150432
75345503346
oct1522625524
9515602702
10223030100
111049928a7
1262838418
133728b997
1421899296
15148a7ed5
hexd4b2b54

223030100 has 18 divisors (see below), whose sum is σ = 483975534. Its totient is φ = 89212000.

The previous prime is 223030081. The next prime is 223030133. The reversal of 223030100 is 1030322.

223030100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 66129424 + 156900676 = 8132^2 + 12526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115051 + ... + 1115250.

Almost surely, 2223030100 is an apocalyptic number.

223030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223030100 is an abundant number, since it is smaller than the sum of its proper divisors (260945434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223030100 is a wasteful number, since it uses less digits than its factorization.

223030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230315 (or 2230308 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 223030100 is about 14934.1923116049. The cubic root of 223030100 is about 606.4399822625.

Adding to 223030100 its reverse (1030322), we get a palindrome (224060422).

The spelling of 223030100 in words is "two hundred twenty-three million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2230301 4460602 8921204 11151505 22303010 44606020 55757525 111515050 223030100