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16474005 = 325418929
BaseRepresentation
bin111110110101…
…111110010101
31010222222002100
4332311332111
513204132010
61345032313
7260012112
oct76657625
933888070
1016474005
119332189
125625699
13354a542
14228b909
1516a62c0
hexfb5f95

16474005 has 24 divisors (see below), whose sum is σ = 29254680. Its totient is φ = 8570880.

The previous prime is 16473973. The next prime is 16474013. The reversal of 16474005 is 50047461.

It can be written as a sum of positive squares in 4 ways, for example, as 1052676 + 15421329 = 1026^2 + 3927^2 .

It is not a de Polignac number, because 16474005 - 25 = 16473973 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16474005.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2620 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (1218945).

Almost surely, 216474005 is an apocalyptic number.

16474005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16474005 is a deficient number, since it is larger than the sum of its proper divisors (12780675).

16474005 is a wasteful number, since it uses less digits than its factorization.

16474005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16474005 is about 4058.8181777458. The cubic root of 16474005 is about 254.4484040002.

The spelling of 16474005 in words is "sixteen million, four hundred seventy-four thousand, five".

Divisors: 1 3 5 9 15 41 45 123 205 369 615 1845 8929 26787 44645 80361 133935 366089 401805 1098267 1830445 3294801 5491335 16474005