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1214669427 = 32811440889
BaseRepresentation
bin100100001100110…
…0110001001110011
310010122121121012120
41020121212021303
54441423410202
6320310325323
742046343166
oct11031461163
93118547176
101214669427
11573716134
1229a959843
1316485c50a
14b746badd
15719870bc
hex48666273

1214669427 has 8 divisors (see below), whose sum is σ = 1625323920. Its totient is φ = 806897280.

The previous prime is 1214669383. The next prime is 1214669447. The reversal of 1214669427 is 7249664121.

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

It is not a de Polignac number, because 1214669427 - 211 = 1214667379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214669447) 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, 719602 + ... + 721287.

It is an arithmetic number, because the mean of its divisors is an integer number (203165490).

Almost surely, 21214669427 is an apocalyptic number.

1214669427 is a deficient number, since it is larger than the sum of its proper divisors (410654493).

1214669427 is a wasteful number, since it uses less digits than its factorization.

1214669427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441173.

The product of its digits is 145152, while the sum is 42.

The square root of 1214669427 is about 34852.1079276419. The cubic root of 1214669427 is about 1066.9712078455.

The spelling of 1214669427 in words is "one billion, two hundred fourteen million, six hundred sixty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 281 843 1440889 4322667 404889809 1214669427