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27850090 = 253189839
BaseRepresentation
bin110101000111…
…1010101101010
31221101221010211
41222033111222
524112200330
62432531334
7455502412
oct152172552
957357124
1027850090
11147a2204
1293b0b4a
135a01558
1439ad642
1526a1d2a
hex1a8f56a

27850090 has 16 divisors (see below), whose sum is σ = 51747840. Its totient is φ = 10780560.

The previous prime is 27850061. The next prime is 27850117. The reversal of 27850090 is 9005872.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44610 + ... + 45229.

It is an arithmetic number, because the mean of its divisors is an integer number (3234240).

Almost surely, 227850090 is an apocalyptic number.

27850090 is a deficient number, since it is larger than the sum of its proper divisors (23897750).

27850090 is a wasteful number, since it uses less digits than its factorization.

27850090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89877.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 27850090 is about 5277.3184478483. The cubic root of 27850090 is about 303.1160044803.

The spelling of 27850090 in words is "twenty-seven million, eight hundred fifty thousand, ninety".

Divisors: 1 2 5 10 31 62 155 310 89839 179678 449195 898390 2785009 5570018 13925045 27850090