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27668668 = 2229972459
BaseRepresentation
bin110100110001…
…1000010111100
31221001201021111
41221203002330
524040344133
62425011404
7454115446
oct151430274
957051244
1027668668
1114688975
129323b64
135969ac1
143963496
1526681cd
hex1a630bc

27668668 has 24 divisors (see below), whose sum is σ = 50626800. Its totient is φ = 13214208.

The previous prime is 27668659. The next prime is 27668671. The reversal of 27668668 is 86686672.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 10023 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (2109450).

Almost surely, 227668668 is an apocalyptic number.

It is an amenable number.

27668668 is a deficient number, since it is larger than the sum of its proper divisors (22958132).

27668668 is a wasteful number, since it uses less digits than its factorization.

27668668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2587 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 27668668 is about 5260.1015199329. The cubic root of 27668668 is about 302.4563805694.

The spelling of 27668668 in words is "twenty-seven million, six hundred sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 29 58 97 116 194 388 2459 2813 4918 5626 9836 11252 71311 142622 238523 285244 477046 954092 6917167 13834334 27668668