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16669475 = 5231137157
BaseRepresentation
bin111111100101…
…101100100011
31011100220012222
4333211230203
513231410400
61353141255
7261455024
oct77455443
934326188
1016669475
119456029
1256ba82b
1335b84c4
1422dcc4b
1516e4185
hexfe5b23

16669475 has 24 divisors (see below), whose sum is σ = 21629568. Its totient is φ = 12729600.

The previous prime is 16669463. The next prime is 16669483. The reversal of 16669475 is 57496661.

It is a happy number.

It is not a de Polignac number, because 16669475 - 24 = 16669459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106097 + ... + 106253.

It is an arithmetic number, because the mean of its divisors is an integer number (901232).

Almost surely, 216669475 is an apocalyptic number.

16669475 is a deficient number, since it is larger than the sum of its proper divisors (4960093).

16669475 is a wasteful number, since it uses less digits than its factorization.

16669475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 330 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 16669475 is about 4082.8268393357. The cubic root of 16669475 is about 255.4508236743.

The spelling of 16669475 in words is "sixteen million, six hundred sixty-nine thousand, four hundred seventy-five".

Divisors: 1 5 25 31 137 155 157 685 775 785 3425 3925 4247 4867 21235 21509 24335 106175 107545 121675 537725 666779 3333895 16669475