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23200230 = 235773341
BaseRepresentation
bin101100010000…
…0000111100110
31121122200201210
41120200013212
521414401410
62145132250
7401125104
oct130400746
947580653
1023200230
1112106749
12792a086
134a63c61
14311cc74
152084220
hex16201e6

23200230 has 16 divisors (see below), whose sum is σ = 55680624. Its totient is φ = 6186720.

The previous prime is 23200213. The next prime is 23200237. The reversal of 23200230 is 3200232.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200237) 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, 386641 + ... + 386700.

It is an arithmetic number, because the mean of its divisors is an integer number (3480039).

Almost surely, 223200230 is an apocalyptic number.

23200230 is an abundant number, since it is smaller than the sum of its proper divisors (32480394).

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

23200230 is a wasteful number, since it uses less digits than its factorization.

23200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773351.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23200230 is about 4816.6617070332. The cubic root of 23200230 is about 285.2095719251.

Adding to 23200230 its reverse (3200232), we get a palindrome (26400462).

The spelling of 23200230 in words is "twenty-three million, two hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 773341 1546682 2320023 3866705 4640046 7733410 11600115 23200230