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271442421 = 36596311
BaseRepresentation
bin10000001011011…
…110000111110101
3200220202201000000
4100023132013311
51023442124141
642533541513
76504136215
oct2013360765
9626681000
10271442421
1112a249788
1276aa4899
134430c523
142809c245
1518c6c5b6
hex102de1f5

271442421 has 28 divisors (see below), whose sum is σ = 413940960. Its totient is φ = 177866280.

The previous prime is 271442399. The next prime is 271442459. The reversal of 271442421 is 124244172.

It is not a de Polignac number, because 271442421 - 211 = 271440373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271442461) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 39856 + ... + 46166.

Almost surely, 2271442421 is an apocalyptic number.

It is an amenable number.

271442421 is a deficient number, since it is larger than the sum of its proper divisors (142498539).

271442421 is an frugal number, since it uses more digits than its factorization.

271442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388 (or 6373 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 271442421 is about 16475.5097341478. The cubic root of 271442421 is about 647.4793271178.

Adding to 271442421 its reverse (124244172), we get a palindrome (395686593).

The spelling of 271442421 in words is "two hundred seventy-one million, four hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 3 9 27 59 81 177 243 531 729 1593 4779 6311 14337 18933 43011 56799 170397 372349 511191 1117047 1533573 3351141 4600719 10053423 30160269 90480807 271442421