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27745076 = 2253130873
BaseRepresentation
bin110100111010…
…1101100110100
31221012121002102
41221311230310
524100320301
62430401232
7454554302
oct151655464
957177072
1027745076
1114730317
129360218
135995808
143983272
152680b6b
hex1a75b34

27745076 has 12 divisors (see below), whose sum is σ = 49470372. Its totient is φ = 13610688.

The previous prime is 27745063. The next prime is 27745099. The reversal of 27745076 is 67054772.

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 20016676 = 2780^2 + 4474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65225 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (4122531).

Almost surely, 227745076 is an apocalyptic number.

It is an amenable number.

27745076 is a deficient number, since it is larger than the sum of its proper divisors (21725296).

27745076 is a wasteful number, since it uses less digits than its factorization.

27745076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130930 (or 130928 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 27745076 is about 5267.3594902949. The cubic root of 27745076 is about 302.7345393228.

The spelling of 27745076 in words is "twenty-seven million, seven hundred forty-five thousand, seventy-six".

Divisors: 1 2 4 53 106 212 130873 261746 523492 6936269 13872538 27745076