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42192513 = 3211676361
BaseRepresentation
bin1010000011110…
…0111010000001
32221101121020200
42200330322001
541300130023
64104155413
71021426146
oct240747201
987347220
1042192513
11218a8950
1212168b69
1389837ac
1458643cd
153a86743
hex283ce81

42192513 has 24 divisors (see below), whose sum is σ = 67488096. Its totient is φ = 25185600.

The previous prime is 42192509. The next prime is 42192523. The reversal of 42192513 is 31529124.

It is not a de Polignac number, because 42192513 - 22 = 42192509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42192523) 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 23 ways as a sum of consecutive naturals, for example, 3453 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (2812004).

Almost surely, 242192513 is an apocalyptic number.

It is an amenable number.

42192513 is a deficient number, since it is larger than the sum of its proper divisors (25295583).

42192513 is a wasteful number, since it uses less digits than its factorization.

42192513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445 (or 6442 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 42192513 is about 6495.5764178401. The cubic root of 42192513 is about 348.1329505881.

The spelling of 42192513 in words is "forty-two million, one hundred ninety-two thousand, five hundred thirteen".

Divisors: 1 3 9 11 33 67 99 201 603 737 2211 6361 6633 19083 57249 69971 209913 426187 629739 1278561 3835683 4688057 14064171 42192513