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42282513 = 3371317209
BaseRepresentation
bin1010000101001…
…0111000010001
32221120011201000
42201102320101
541311020023
64110132213
71022252430
oct241227021
987504630
1042282513
112195a529
12121b1069
1389b5750
145889117
153aa3243
hex2852e11

42282513 has 32 divisors (see below), whose sum is σ = 77100800. Its totient is φ = 22301568.

The previous prime is 42282511. The next prime is 42282523. The reversal of 42282513 is 31528224.

It is not a de Polignac number, because 42282513 - 21 = 42282511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42282511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6148 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (2409400).

Almost surely, 242282513 is an apocalyptic number.

It is an amenable number.

42282513 is a deficient number, since it is larger than the sum of its proper divisors (34818287).

42282513 is a wasteful number, since it uses less digits than its factorization.

42282513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17232 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42282513 is about 6502.5005190311. The cubic root of 42282513 is about 348.3803065906.

The spelling of 42282513 in words is "forty-two million, two hundred eighty-two thousand, five hundred thirteen".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 351 819 2457 17209 51627 120463 154881 223717 361389 464643 671151 1084167 1566019 2013453 3252501 4698057 6040359 14094171 42282513