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16852961 = 101166861
BaseRepresentation
bin100000001001…
…0011111100001
31011201012220202
41000102133201
513303243321
61401114545
7263150666
oct100223741
934635822
1016852961
119570974
125788a55
133650b88
142349a6d
15172d70b
hex10127e1

16852961 has 4 divisors (see below), whose sum is σ = 17019924. Its totient is φ = 16686000.

The previous prime is 16852949. The next prime is 16852987. The reversal of 16852961 is 16925861.

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 16120225 + 732736 = 4015^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 16852961 - 214 = 16836577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852921) 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, 83330 + ... + 83531.

It is an arithmetic number, because the mean of its divisors is an integer number (4254981).

Almost surely, 216852961 is an apocalyptic number.

It is an amenable number.

16852961 is a deficient number, since it is larger than the sum of its proper divisors (166963).

16852961 is a wasteful number, since it uses less digits than its factorization.

16852961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166962.

The product of its digits is 25920, while the sum is 38.

The square root of 16852961 is about 4105.2358032152. The cubic root of 16852961 is about 256.3846806592.

Subtracting 16852961 from its reverse (16925861), we obtain a square (72900 = 2702).

The spelling of 16852961 in words is "sixteen million, eight hundred fifty-two thousand, nine hundred sixty-one".

Divisors: 1 101 166861 16852961