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27301121 = 412109149
BaseRepresentation
bin110100000100…
…1010100000001
31220101001002122
41220021110001
523442113441
62413054025
7451025051
oct150112401
956331078
1027301121
1114457811
129187315
13586b713
1438a9561
1525e434b
hex1a09501

27301121 has 12 divisors (see below), whose sum is σ = 28429500. Its totient is φ = 26213760.

The previous prime is 27301097. The next prime is 27301147. The reversal of 27301121 is 12110372.

It can be written as a sum of positive squares in 6 ways, for example, as 10817521 + 16483600 = 3289^2 + 4060^2 .

It is a de Polignac number, because none of the positive numbers 2k-27301121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27301121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27301171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183155 + ... + 183303.

It is an arithmetic number, because the mean of its divisors is an integer number (2369125).

Almost surely, 227301121 is an apocalyptic number.

It is an amenable number.

27301121 is a deficient number, since it is larger than the sum of its proper divisors (1128379).

27301121 is a wasteful number, since it uses less digits than its factorization.

27301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 27301121 is about 5225.0474638993. The cubic root of 27301121 is about 301.1111424237. Note that the first 4 decimals are identical.

Adding to 27301121 its reverse (12110372), we get a palindrome (39411493).

The spelling of 27301121 in words is "twenty-seven million, three hundred one thousand, one hundred twenty-one".

Divisors: 1 41 109 149 1681 4469 6109 16241 183229 250469 665881 27301121