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1214444405 = 51312718503
BaseRepresentation
bin100100001100010…
…1111001101110101
310010122012011112102
41020120233031311
54441344210110
6320301431445
742044415146
oct11030571565
93118164472
101214444405
11573582069
1229a86b585
131647b0c75
14b740dacd
15719405a5
hex4862f375

1214444405 has 8 divisors (see below), whose sum is σ = 1457523072. Its totient is φ = 971429008.

The previous prime is 1214444389. The next prime is 1214444411. The reversal of 1214444405 is 5044444121.

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

It is a cyclic number.

It is not a de Polignac number, because 1214444405 - 24 = 1214444389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56384 + ... + 74886.

It is an arithmetic number, because the mean of its divisors is an integer number (182190384).

Almost surely, 21214444405 is an apocalyptic number.

It is an amenable number.

1214444405 is a deficient number, since it is larger than the sum of its proper divisors (243078667).

1214444405 is a wasteful number, since it uses less digits than its factorization.

1214444405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31635.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 1214444405 is about 34848.8795372247. The cubic root of 1214444405 is about 1066.9053169901.

Adding to 1214444405 its reverse (5044444121), we get a palindrome (6258888526).

The spelling of 1214444405 in words is "one billion, two hundred fourteen million, four hundred forty-four thousand, four hundred five".

Divisors: 1 5 13127 18503 65635 92515 242888881 1214444405