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16852969 = 72407567
BaseRepresentation
bin100000001001…
…0011111101001
31011201012221001
41000102133221
513303243334
61401115001
7263151010
oct100223751
934635831
1016852969
119570981
125788a61
133650b93
142349a77
15172d714
hex10127e9

16852969 has 4 divisors (see below), whose sum is σ = 19260544. Its totient is φ = 14445396.

The previous prime is 16852949. The next prime is 16852987. The reversal of 16852969 is 96925861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16852969 - 27 = 16852841 is a prime.

It is a super-2 number, since 2×168529692 = 568045128229922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203777 + ... + 1203790.

It is an arithmetic number, because the mean of its divisors is an integer number (4815136).

Almost surely, 216852969 is an apocalyptic number.

It is an amenable number.

16852969 is a deficient number, since it is larger than the sum of its proper divisors (2407575).

16852969 is an equidigital number, since it uses as much as digits as its factorization.

16852969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407574.

The product of its digits is 233280, while the sum is 46.

The square root of 16852969 is about 4105.2367775806. The cubic root of 16852969 is about 256.3847212273.

The spelling of 16852969 in words is "sixteen million, eight hundred fifty-two thousand, nine hundred sixty-nine".

Divisors: 1 7 2407567 16852969