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1240200206 = 27491180419
BaseRepresentation
bin100100111101011…
…1111010000001110
310012102122200211222
41021322333100032
510014442401311
6323021443342
742506346020
oct11172772016
93172580758
101240200206
11587073853
122a7410552
13169c2b19b
14ba9d6010
1573d2badb
hex49ebf40e

1240200206 has 16 divisors (see below), whose sum is σ = 2130399360. Its totient is φ = 530428920.

The previous prime is 1240200197. The next prime is 1240200209. The reversal of 1240200206 is 6020020421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240200209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83336 + ... + 97083.

It is an arithmetic number, because the mean of its divisors is an integer number (133149960).

Almost surely, 21240200206 is an apocalyptic number.

1240200206 is a deficient number, since it is larger than the sum of its proper divisors (890199154).

1240200206 is a wasteful number, since it uses less digits than its factorization.

1240200206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180919.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1240200206 is about 35216.4763427575. The cubic root of 1240200206 is about 1074.3948874279.

Adding to 1240200206 its reverse (6020020421), we get a palindrome (7260220627).

The spelling of 1240200206 in words is "one billion, two hundred forty million, two hundred thousand, two hundred six".

Divisors: 1 2 7 14 491 982 3437 6874 180419 360838 1262933 2525866 88585729 177171458 620100103 1240200206