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1241240212 = 221991559347
BaseRepresentation
bin100100111111011…
…1101001010010100
310012111121112110201
41021332331022110
510020224141322
6323100030244
742521240062
oct11176751224
93174545421
101241240212
11587714163
122a7832384
1316a203684
14babc7032
1573e84d27
hex49fbd294

1241240212 has 12 divisors (see below), whose sum is σ = 2183087200. Its totient is φ = 617501016.

The previous prime is 1241240177. The next prime is 1241240213. The reversal of 1241240212 is 2120421421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241240212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241240213) 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 3 ways as a sum of consecutive naturals, for example, 778878 + ... + 780469.

Almost surely, 21241240212 is an apocalyptic number.

It is an amenable number.

1241240212 is a deficient number, since it is larger than the sum of its proper divisors (941846988).

1241240212 is a wasteful number, since it uses less digits than its factorization.

1241240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559550 (or 1559548 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1241240212 is about 35231.2391493686. The cubic root of 1241240212 is about 1074.6951252263.

Adding to 1241240212 its reverse (2120421421), we get a palindrome (3361661633).

The spelling of 1241240212 in words is "one billion, two hundred forty-one million, two hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 199 398 796 1559347 3118694 6237388 310310053 620620106 1241240212