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16900669 = 179371061
BaseRepresentation
bin100000001111…
…0001000111101
31011210122100201
41000132020331
513311310134
61402123501
7263440042
oct100361075
934718321
1016900669
1195a37a5
1257b0591
1336697c6
14235d1c9
15173c914
hex101e23d

16900669 has 8 divisors (see below), whose sum is σ = 17930808. Its totient is φ = 15874560.

The previous prime is 16900621. The next prime is 16900679. The reversal of 16900669 is 96600961.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 14976900 = 1387^2 + 3870^2 .

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 16900669 - 211 = 16898621 is a prime.

It is a super-2 number, since 2×169006692 = 571265225295122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16900679) 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 7 ways as a sum of consecutive naturals, for example, 15399 + ... + 16459.

It is an arithmetic number, because the mean of its divisors is an integer number (2241351).

Almost surely, 216900669 is an apocalyptic number.

It is an amenable number.

16900669 is a deficient number, since it is larger than the sum of its proper divisors (1030139).

16900669 is a wasteful number, since it uses less digits than its factorization.

16900669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 16900669 is about 4111.0423252504. The cubic root of 16900669 is about 256.6263805514.

The spelling of 16900669 in words is "sixteen million, nine hundred thousand, six hundred sixty-nine".

Divisors: 1 17 937 1061 15929 18037 994157 16900669