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16290669 = 37968737
BaseRepresentation
bin111110001001…
…001101101101
31010122122121010
4332021031231
513132300134
61341055433
7255316443
oct76111555
933578533
1016290669
11921746a
125557579
1334b4c65
142240b93
15166bce9
hexf8936d

16290669 has 8 divisors (see below), whose sum is σ = 21996160. Its totient is φ = 10722816.

The previous prime is 16290613. The next prime is 16290691. The reversal of 16290669 is 96609261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16290669 - 27 = 16290541 is a prime.

It is a super-2 number, since 2×162906692 = 530771792935122, 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 (16290269) 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, 34132 + ... + 34605.

It is an arithmetic number, because the mean of its divisors is an integer number (2749520).

Almost surely, 216290669 is an apocalyptic number.

It is an amenable number.

16290669 is a deficient number, since it is larger than the sum of its proper divisors (5705491).

16290669 is an equidigital number, since it uses as much as digits as its factorization.

16290669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68819.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 16290669 is about 4036.1700905685. The cubic root of 16290669 is about 253.5009784089.

The spelling of 16290669 in words is "sixteen million, two hundred ninety thousand, six hundred sixty-nine".

Divisors: 1 3 79 237 68737 206211 5430223 16290669