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4271445 = 325234127
BaseRepresentation
bin10000010010110101010101
322001000022200
4100102311111
52043141240
6231315113
751210123
oct20226525
98030280
104271445
112458222
12151ba99
13b672a9
147d2913
15595930
hex412d55

4271445 has 24 divisors (see below), whose sum is σ = 7727616. Its totient is φ = 2178528.

The previous prime is 4271441. The next prime is 4271453. The reversal of 4271445 is 5441724.

It is not a de Polignac number, because 4271445 - 22 = 4271441 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

4271445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4271441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1029 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (321984).

Almost surely, 24271445 is an apocalyptic number.

4271445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4271445 is a deficient number, since it is larger than the sum of its proper divisors (3456171).

4271445 is a wasteful number, since it uses less digits than its factorization.

4271445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161 (or 4158 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4271445 is about 2066.7474446579. The cubic root of 4271445 is about 162.2525781026.

The spelling of 4271445 in words is "four million, two hundred seventy-one thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 4127 12381 20635 37143 61905 94921 185715 284763 474605 854289 1423815 4271445