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16829993 = 31283211
BaseRepresentation
bin100000000110…
…0111000101001
31011200001102002
41000030320221
513302024433
61400420345
7263024015
oct100147051
934601362
1016829993
119555694
1257776b5
13364359b
142341545
1517269e8
hex100ce29

16829993 has 12 divisors (see below), whose sum is σ = 17683344. Its totient is φ = 16014600.

The previous prime is 16829987. The next prime is 16829999. The reversal of 16829993 is 39992861.

It is an interprime number because it is at equal distance from previous prime (16829987) and next prime (16829999).

It is not a de Polignac number, because 16829993 - 24 = 16829977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16829999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79658 + ... + 79868.

It is an arithmetic number, because the mean of its divisors is an integer number (1473612).

Almost surely, 216829993 is an apocalyptic number.

It is an amenable number.

16829993 is a deficient number, since it is larger than the sum of its proper divisors (853351).

16829993 is an equidigital number, since it uses as much as digits as its factorization.

16829993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 325 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 16829993 is about 4102.4374462020. The cubic root of 16829993 is about 256.2681567147.

The spelling of 16829993 in words is "sixteen million, eight hundred twenty-nine thousand, nine hundred ninety-three".

Divisors: 1 31 83 211 961 2573 6541 17513 79763 202771 542903 16829993