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19895214 = 234018269
BaseRepresentation
bin100101111100…
…1001110101110
31101102210002210
41023321032232
520043121324
61550231250
7331051353
oct113711656
941383083
1019895214
1110259629
1267b5526
134177821
1428dc62a
151b2ed29
hex12f93ae

19895214 has 16 divisors (see below), whose sum is σ = 39894480. Its totient is φ = 6614400.

The previous prime is 19895203. The next prime is 19895221. The reversal of 19895214 is 41259891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (2493405).

Almost surely, 219895214 is an apocalyptic number.

19895214 is an abundant number, since it is smaller than the sum of its proper divisors (19999266).

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

19895214 is a wasteful number, since it uses less digits than its factorization.

19895214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675.

The product of its digits is 25920, while the sum is 39.

The square root of 19895214 is about 4460.4051385496. The cubic root of 19895214 is about 270.9668763953.

The spelling of 19895214 in words is "nineteen million, eight hundred ninety-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 401 802 1203 2406 8269 16538 24807 49614 3315869 6631738 9947607 19895214