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16870998 = 232811833
BaseRepresentation
bin100000001011…
…0111001010110
31011202010122210
41000112321112
513304332443
61401334250
7263254404
oct100267126
934663583
1016870998
119583481
125797386
133659151
142352474
151733c33
hex1016e56

16870998 has 8 divisors (see below), whose sum is σ = 33742008. Its totient is φ = 5623664.

The previous prime is 16870981. The next prime is 16870999. The reversal of 16870998 is 89907861.

It is a happy number.

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

16870998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16870999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405911 + ... + 1405922.

It is an arithmetic number, because the mean of its divisors is an integer number (4217751).

Almost surely, 216870998 is an apocalyptic number.

16870998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16870998 is a wasteful number, since it uses less digits than its factorization.

16870998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811838.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 16870998 is about 4107.4320444774. The cubic root of 16870998 is about 256.4761138836.

The spelling of 16870998 in words is "sixteen million, eight hundred seventy thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 2811833 5623666 8435499 16870998