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16494905 = 57471283
BaseRepresentation
bin111110111011…
…000100111001
31011001000202102
4332323010321
513210314110
61345313145
7260130050
oct76730471
934030672
1016494905
119346959
1256357b5
133556bcb
142295397
1516ac5a5
hexfbb139

16494905 has 8 divisors (see below), whose sum is σ = 22621632. Its totient is φ = 11310768.

The previous prime is 16494901. The next prime is 16494917. The reversal of 16494905 is 50949461.

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

It is not a de Polignac number, because 16494905 - 22 = 16494901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16494901) 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, 235607 + ... + 235676.

It is an arithmetic number, because the mean of its divisors is an integer number (2827704).

Almost surely, 216494905 is an apocalyptic number.

It is an amenable number.

16494905 is a deficient number, since it is larger than the sum of its proper divisors (6126727).

16494905 is an equidigital number, since it uses as much as digits as its factorization.

16494905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471295.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 16494905 is about 4061.3920027498. The cubic root of 16494905 is about 254.5559618228. Note that the first 3 decimals are identical.

The spelling of 16494905 in words is "sixteen million, four hundred ninety-four thousand, nine hundred five".

Divisors: 1 5 7 35 471283 2356415 3298981 16494905