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23320212 = 2233753991
BaseRepresentation
bin101100011110…
…1011010010100
31121212210022120
41120331122110
521432221322
62151455540
7402134646
oct130753224
947783276
1023320212
1112188903
1279875b0
134aa6756
143150896
1520a9a5c
hex163d694

23320212 has 48 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 7413120.

The previous prime is 23320181. The next prime is 23320237. The reversal of 23320212 is 21202332.

It is a junction number, because it is equal to n+sod(n) for n = 23320191 and 23320200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23037 + ... + 24027.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 223320212 is an apocalyptic number.

It is an amenable number.

23320212 is an abundant number, since it is smaller than the sum of its proper divisors (33676140).

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

23320212 is a wasteful number, since it uses less digits than its factorization.

23320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23320212 is about 4829.1005373672. The cubic root of 23320212 is about 285.7003888003.

Adding to 23320212 its reverse (21202332), we get a palindrome (44522544).

It can be divided in two parts, 23320 and 212, that added together give a palindrome (23532).

The spelling of 23320212 in words is "twenty-three million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 53 74 106 111 148 159 212 222 318 444 636 991 1961 1982 2973 3922 3964 5883 5946 7844 11766 11892 23532 36667 52523 73334 105046 110001 146668 157569 210092 220002 315138 440004 630276 1943351 3886702 5830053 7773404 11660106 23320212