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27308812 = 223724987
BaseRepresentation
bin110100000101…
…1001100001100
31220101102122111
41220023030030
523442340222
62413153404
7451056346
oct150131414
956342574
1027308812
1114462573
12918b864
13587207b
1438ac296
1525e6777
hex1a0b30c

27308812 has 18 divisors (see below), whose sum is σ = 49126812. Its totient is φ = 13282704.

The previous prime is 27308791. The next prime is 27308819. The reversal of 27308812 is 21880372.

It is not an unprimeable number, because it can be changed into a prime (27308819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2983 + ... + 7969.

Almost surely, 227308812 is an apocalyptic number.

It is an amenable number.

27308812 is a deficient number, since it is larger than the sum of its proper divisors (21818000).

27308812 is a wasteful number, since it uses less digits than its factorization.

27308812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 27308812 is about 5225.7833862494. The cubic root of 27308812 is about 301.1394151134.

The spelling of 27308812 in words is "twenty-seven million, three hundred eight thousand, eight hundred twelve".

Divisors: 1 2 4 37 74 148 1369 2738 4987 5476 9974 19948 184519 369038 738076 6827203 13654406 27308812