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2239497 = 321319141
BaseRepresentation
bin1000100010110000001001
311012210000100
420202300021
51033130442
6120000013
725015101
oct10426011
94183010
102239497
11129a627
12900009
13605460
14424201
152e384c
hex222c09

2239497 has 12 divisors (see below), whose sum is σ = 3483844. Its totient is φ = 1378080.

The previous prime is 2239459. The next prime is 2239519. The reversal of 2239497 is 7949322.

2239497 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 1498176 = 861^2 + 1224^2 .

It is not a de Polignac number, because 2239497 - 210 = 2238473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2239417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9454 + ... + 9687.

22239497 is an apocalyptic number.

It is an amenable number.

2239497 is a deficient number, since it is larger than the sum of its proper divisors (1244347).

2239497 is a wasteful number, since it uses less digits than its factorization.

2239497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19160 (or 19157 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2239497 is about 1496.4949047691. The cubic root of 2239497 is about 130.8328579461.

The spelling of 2239497 in words is "two million, two hundred thirty-nine thousand, four hundred ninety-seven".

Divisors: 1 3 9 13 39 117 19141 57423 172269 248833 746499 2239497