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20425462 = 2412231117
BaseRepresentation
bin100110111101…
…0101011110110
31102102201110121
41031322223312
520212103322
62005442154
7335420311
oct115725366
942381417
1020425462
1110590a52
126a1035a
134301c95
1429d9978
151bd6ec7
hex137aaf6

20425462 has 16 divisors (see below), whose sum is σ = 31554432. Its totient is φ = 9910080.

The previous prime is 20425451. The next prime is 20425477. The reversal of 20425462 is 26452402.

It is a super-3 number, since 3×204254623 (a number of 23 digits) contains 333 as substring.

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, 17728 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (1972152).

Almost surely, 220425462 is an apocalyptic number.

20425462 is a deficient number, since it is larger than the sum of its proper divisors (11128970).

20425462 is a wasteful number, since it uses less digits than its factorization.

20425462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 20425462 is about 4519.4537280517. The cubic root of 20425462 is about 273.3530744549.

Adding to 20425462 its reverse (26452402), we get a palindrome (46877864).

The spelling of 20425462 in words is "twenty million, four hundred twenty-five thousand, four hundred sixty-two".

Divisors: 1 2 41 82 223 446 1117 2234 9143 18286 45797 91594 249091 498182 10212731 20425462