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16676471 = 719125387
BaseRepresentation
bin111111100111…
…011001110111
31011101020211002
4333213121313
513232121341
61353233515
7261514310
oct77473167
934336732
1016676471
119460309
12570289b
1335bb746
142301607
1516e629b
hexfe7677

16676471 has 8 divisors (see below), whose sum is σ = 20062080. Its totient is φ = 13541688.

The previous prime is 16676461. The next prime is 16676521. The reversal of 16676471 is 17467661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16676471 is a prime.

It is a super-3 number, since 3×166764713 (a number of 23 digits) contains 333 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 (16676411) 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, 62561 + ... + 62826.

It is an arithmetic number, because the mean of its divisors is an integer number (2507760).

Almost surely, 216676471 is an apocalyptic number.

16676471 is a deficient number, since it is larger than the sum of its proper divisors (3385609).

16676471 is a wasteful number, since it uses less digits than its factorization.

16676471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125413.

The product of its digits is 42336, while the sum is 38.

The square root of 16676471 is about 4083.6835087945. The cubic root of 16676471 is about 255.4865553336.

The spelling of 16676471 in words is "sixteen million, six hundred seventy-six thousand, four hundred seventy-one".

Divisors: 1 7 19 133 125387 877709 2382353 16676471