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1938146 = 27219777
BaseRepresentation
bin111011001001011100010
310122110122012
413121023202
5444010041
6105312522
722321400
oct7311342
93573565
101938146
111104181
12795742
1352b242
14386470
152843eb
hex1d92e2

1938146 has 12 divisors (see below), whose sum is σ = 3382038. Its totient is φ = 830592.

The previous prime is 1938113. The next prime is 1938149. The reversal of 1938146 is 6418391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 261121 = 1295^2 + 511^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938149) 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 5 ways as a sum of consecutive naturals, for example, 9791 + ... + 9986.

21938146 is an apocalyptic number.

1938146 is a deficient number, since it is larger than the sum of its proper divisors (1443892).

1938146 is a wasteful number, since it uses less digits than its factorization.

1938146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19793 (or 19786 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1938146 is about 1392.1731214185. The cubic root of 1938146 is about 124.6796275937.

The spelling of 1938146 in words is "one million, nine hundred thirty-eight thousand, one hundred forty-six".

Divisors: 1 2 7 14 49 98 19777 39554 138439 276878 969073 1938146