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23200060 = 2251389231
BaseRepresentation
bin101100010000…
…0000100111100
31121122200111111
41120200010330
521414400220
62145131404
7401124442
oct130400474
947580444
1023200060
1112106604
127929b64
134a63b60
14311cb92
15208415a
hex162013c

23200060 has 24 divisors (see below), whose sum is σ = 52468416. Its totient is φ = 8566080.

The previous prime is 23200027. The next prime is 23200063. The reversal of 23200060 is 6000232.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 23200060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200063) 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, 44356 + ... + 44875.

It is an arithmetic number, because the mean of its divisors is an integer number (2186184).

Almost surely, 223200060 is an apocalyptic number.

23200060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23200060 is an abundant number, since it is smaller than the sum of its proper divisors (29268356).

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

23200060 is a wasteful number, since it uses less digits than its factorization.

23200060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89253 (or 89251 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23200060 is about 4816.6440599239. The cubic root of 23200060 is about 285.2088752978.

Adding to 23200060 its reverse (6000232), we get a palindrome (29200292).

The spelling of 23200060 in words is "twenty-three million, two hundred thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 89231 178462 356924 446155 892310 1160003 1784620 2320006 4640012 5800015 11600030 23200060