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80135617 = 4310717417
BaseRepresentation
bin1001100011011…
…00010111000001
312120210022101211
410301230113001
5131003314432
611541330121
71662066352
oct461542701
9176708354
1080135617
1141264091
1222a06941
13137aa033
14a8ddd29
15707dd47
hex4c6c5c1

80135617 has 8 divisors (see below), whose sum is σ = 82770336. Its totient is φ = 77536032.

The previous prime is 80135609. The next prime is 80135623. The reversal of 80135617 is 71653108.

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 80135617 - 23 = 80135609 is a prime.

It is a super-2 number, since 2×801356172 = 12843434223941378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80135687) 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, 4108 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (10346292).

Almost surely, 280135617 is an apocalyptic number.

It is an amenable number.

80135617 is a deficient number, since it is larger than the sum of its proper divisors (2634719).

80135617 is a wasteful number, since it uses less digits than its factorization.

80135617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 80135617 is about 8951.8499205471. The cubic root of 80135617 is about 431.1302821926.

The spelling of 80135617 in words is "eighty million, one hundred thirty-five thousand, six hundred seventeen".

Divisors: 1 43 107 4601 17417 748931 1863619 80135617