Search a number
-
+
23286216 = 233970259
BaseRepresentation
bin101100011010…
…1000111001000
31121211001200110
41120311013020
521430124331
62151034320
7401633562
oct130650710
947731613
1023286216
1112165308
12796b9a0
134a94135
143142332
15209e946
hex16351c8

23286216 has 16 divisors (see below), whose sum is σ = 58215600. Its totient is φ = 7762064.

The previous prime is 23286203. The next prime is 23286247. The reversal of 23286216 is 61268232.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485106 + ... + 485153.

It is an arithmetic number, because the mean of its divisors is an integer number (3638475).

Almost surely, 223286216 is an apocalyptic number.

It is an amenable number.

23286216 is an abundant number, since it is smaller than the sum of its proper divisors (34929384).

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

23286216 is a wasteful number, since it uses less digits than its factorization.

23286216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970268 (or 970264 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 23286216 is about 4825.5793434571. The cubic root of 23286216 is about 285.5614907787.

The spelling of 23286216 in words is "twenty-three million, two hundred eighty-six thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 970259 1940518 2910777 3881036 5821554 7762072 11643108 23286216