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17028961 = 109156229
BaseRepresentation
bin100000011110…
…1011101100001
31012001011100021
41000331131201
513324411321
61404553441
7264513055
oct100753541
935034307
1017028961
119681124
125852881
1336b3011
142393c65
151765941
hex103d761

17028961 has 4 divisors (see below), whose sum is σ = 17185300. Its totient is φ = 16872624.

The previous prime is 17028941. The next prime is 17028967. The reversal of 17028961 is 16982071.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5085025 + 11943936 = 2255^2 + 3456^2 .

It is a cyclic number.

It is not a de Polignac number, because 17028961 - 217 = 16897889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17028967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78006 + ... + 78223.

It is an arithmetic number, because the mean of its divisors is an integer number (4296325).

Almost surely, 217028961 is an apocalyptic number.

It is an amenable number.

17028961 is a deficient number, since it is larger than the sum of its proper divisors (156339).

17028961 is a wasteful number, since it uses less digits than its factorization.

17028961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156338.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 17028961 is about 4126.6161682424. The cubic root of 17028961 is about 257.2740897308.

The spelling of 17028961 in words is "seventeen million, twenty-eight thousand, nine hundred sixty-one".

Divisors: 1 109 156229 17028961