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27430125 = 353193379
BaseRepresentation
bin110100010100…
…0110011101101
31220121121001120
41220220303231
524010231000
62415531153
7452103132
oct150506355
956547046
1027430125
1114535728
129229ab9
1358b5358
143900589
15261c6a0
hex1a28ced

27430125 has 32 divisors (see below), whose sum is σ = 46001280. Its totient is φ = 14515200.

The previous prime is 27430079. The next prime is 27430127. The reversal of 27430125 is 52103472.

It is not a de Polignac number, because 27430125 - 29 = 27429613 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27430095 and 27430104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72186 + ... + 72564.

It is an arithmetic number, because the mean of its divisors is an integer number (1437540).

Almost surely, 227430125 is an apocalyptic number.

27430125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27430125 is a deficient number, since it is larger than the sum of its proper divisors (18571155).

27430125 is a wasteful number, since it uses less digits than its factorization.

27430125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27430125 is about 5237.3776835359. The cubic root of 27430125 is about 301.5846702181.

Adding to 27430125 its reverse (52103472), we get a palindrome (79533597).

The spelling of 27430125 in words is "twenty-seven million, four hundred thirty thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 193 375 379 579 965 1137 1895 2895 4825 5685 9475 14475 24125 28425 47375 72375 73147 142125 219441 365735 1097205 1828675 5486025 9143375 27430125