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19883425 = 52795337
BaseRepresentation
bin100101111011…
…0010110100001
31101102011221011
41023312112201
520042232200
61550100521
7331002112
oct113662641
941364834
1019883425
1110250791
1267aa741
134172353
1428d8209
151b2b5ba
hex12f65a1

19883425 has 6 divisors (see below), whose sum is σ = 24655478. Its totient is φ = 15906720.

The previous prime is 19883419. The next prime is 19883449. The reversal of 19883425 is 52438891.

It can be written as a sum of positive squares in 3 ways, for example, as 2917264 + 16966161 = 1708^2 + 4119^2 .

It is not a de Polignac number, because 19883425 - 29 = 19882913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397644 + ... + 397693.

Almost surely, 219883425 is an apocalyptic number.

It is an amenable number.

19883425 is a deficient number, since it is larger than the sum of its proper divisors (4772053).

19883425 is an equidigital number, since it uses as much as digits as its factorization.

19883425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795347 (or 795342 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 19883425 is about 4459.0834259969. The cubic root of 19883425 is about 270.9133449334.

The spelling of 19883425 in words is "nineteen million, eight hundred eighty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 795337 3976685 19883425