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1224000213 = 31338130491
BaseRepresentation
bin100100011110100…
…1100001011010101
310011022011122122020
41020331030023111
510001321001323
6321242323353
742221554512
oct11075141325
93138148566
101224000213
11578a09527
122a1ab9559
131667785a7
14b87ba309
15726cbae3
hex48f4c2d5

1224000213 has 8 divisors (see below), whose sum is σ = 1632175776. Its totient is φ = 815912400.

The previous prime is 1224000181. The next prime is 1224000229. The reversal of 1224000213 is 3120004221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1224000213 - 25 = 1224000181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224000192 and 1224000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224000233) 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, 24898 + ... + 55388.

It is an arithmetic number, because the mean of its divisors is an integer number (204021972).

Almost surely, 21224000213 is an apocalyptic number.

It is an amenable number.

1224000213 is a deficient number, since it is larger than the sum of its proper divisors (408175563).

1224000213 is a wasteful number, since it uses less digits than its factorization.

1224000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43875.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1224000213 is about 34985.7144131716. The cubic root of 1224000213 is about 1069.6963102972.

Adding to 1224000213 its reverse (3120004221), we get a palindrome (4344004434).

The spelling of 1224000213 in words is "one billion, two hundred twenty-four million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 3 13381 30491 40143 91473 408000071 1224000213