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16496890 = 251649689
BaseRepresentation
bin111110111011…
…100011111010
31011001010110221
4332323203322
513210400030
61345330254
7260135614
oct76734372
934033427
1016496890
1193483a3
12563698a
133557a97
142295db4
1516ace7a
hexfbb8fa

16496890 has 8 divisors (see below), whose sum is σ = 29694420. Its totient is φ = 6598752.

The previous prime is 16496873. The next prime is 16496899. The reversal of 16496890 is 9869461.

It can be written as a sum of positive squares in 2 ways, for example, as 15280281 + 1216609 = 3909^2 + 1103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16496899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824835 + ... + 824854.

Almost surely, 216496890 is an apocalyptic number.

16496890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16496890 is a deficient number, since it is larger than the sum of its proper divisors (13197530).

16496890 is a wasteful number, since it uses less digits than its factorization.

16496890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649696.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16496890 is about 4061.6363697406. The cubic root of 16496890 is about 254.5661725174.

The spelling of 16496890 in words is "sixteen million, four hundred ninety-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 1649689 3299378 8248445 16496890