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27450137 = 11131391381
BaseRepresentation
bin110100010110…
…1101100011001
31220122121111202
41220231230121
524011401022
62420203545
7452215361
oct150555431
956577452
1027450137
1114549770
1292395b5
1358c14b0
1439079a1
152623592
hex1a2db19

27450137 has 16 divisors (see below), whose sum is σ = 32504640. Its totient is φ = 22852800.

The previous prime is 27450119. The next prime is 27450149. The reversal of 27450137 is 73105472.

It is a cyclic number.

It is not a de Polignac number, because 27450137 - 216 = 27384601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27450737) 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 15 ways as a sum of consecutive naturals, for example, 19187 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (2031540).

Almost surely, 227450137 is an apocalyptic number.

It is an amenable number.

27450137 is a deficient number, since it is larger than the sum of its proper divisors (5054503).

27450137 is a wasteful number, since it uses less digits than its factorization.

27450137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 27450137 is about 5239.2878332842. The cubic root of 27450137 is about 301.6579940461.

The spelling of 27450137 in words is "twenty-seven million, four hundred fifty thousand, one hundred thirty-seven".

Divisors: 1 11 13 139 143 1381 1529 1807 15191 17953 19877 191959 197483 2111549 2495467 27450137