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27716997 = 3721161281
BaseRepresentation
bin110100110111…
…0110110000101
31221011011120110
41221232312011
524043420442
62430023233
7454406400
oct151566605
957134513
1027716997
1114711210
129347b19
135985ab9
143976d37
15267769c
hex1a6ed85

27716997 has 48 divisors (see below), whose sum is σ = 47836224. Its totient is φ = 14112000.

The previous prime is 27716993. The next prime is 27716999. The reversal of 27716997 is 79961772.

It is not a de Polignac number, because 27716997 - 22 = 27716993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27716993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98497 + ... + 98777.

It is an arithmetic number, because the mean of its divisors is an integer number (996588).

Almost surely, 227716997 is an apocalyptic number.

It is an amenable number.

27716997 is a deficient number, since it is larger than the sum of its proper divisors (20119227).

27716997 is a wasteful number, since it uses less digits than its factorization.

27716997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 363 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 27716997 is about 5264.6934383685. The cubic root of 27716997 is about 302.6323788248.

The spelling of 27716997 in words is "twenty-seven million, seven hundred sixteen thousand, nine hundred ninety-seven".

Divisors: 1 3 7 11 21 33 49 61 77 147 183 231 281 427 539 671 843 1281 1617 1967 2013 2989 3091 4697 5901 8967 9273 13769 14091 17141 21637 32879 41307 51423 64911 98637 119987 151459 188551 359961 454377 565653 839909 1319857 2519727 3959571 9238999 27716997