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27139079 = 1115116339
BaseRepresentation
bin110011110000…
…1110000000111
31220001210211002
41213201300013
523421422304
62405403515
7446451452
oct147416007
956053732
1027139079
1114356aa0
12910959b
135812a36
143866499
1525b131e
hex19e1c07

27139079 has 8 divisors (see below), whose sum is σ = 29804160. Its totient is φ = 24507000.

The previous prime is 27139067. The next prime is 27139109. The reversal of 27139079 is 97093172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27139079 - 28 = 27138823 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27139039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (3725520).

Almost surely, 227139079 is an apocalyptic number.

27139079 is a deficient number, since it is larger than the sum of its proper divisors (2665081).

27139079 is a wasteful number, since it uses less digits than its factorization.

27139079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 27139079 is about 5209.5181159105. The cubic root of 27139079 is about 300.5142254777.

The spelling of 27139079 in words is "twenty-seven million, one hundred thirty-nine thousand, seventy-nine".

Divisors: 1 11 151 1661 16339 179729 2467189 27139079