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42536741 = 1324113577
BaseRepresentation
bin1010001001000…
…0111100100101
32222001002102212
42202100330211
541342133431
64115413205
71024361552
oct242207445
988032385
1042536741
1122013535
12122b4205
138a74390
145913a29
153b0372b
hex2890f25

42536741 has 8 divisors (see below), whose sum is σ = 46002264. Its totient is φ = 39098880.

The previous prime is 42536671. The next prime is 42536773. The reversal of 42536741 is 14763524.

It can be written as a sum of positive squares in 4 ways, for example, as 14668900 + 27867841 = 3830^2 + 5279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42536741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42536698 and 42536707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536141) 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 7 ways as a sum of consecutive naturals, for example, 3656 + ... + 9921.

It is an arithmetic number, because the mean of its divisors is an integer number (5750283).

Almost surely, 242536741 is an apocalyptic number.

It is an amenable number.

42536741 is a deficient number, since it is larger than the sum of its proper divisors (3465523).

42536741 is a wasteful number, since it uses less digits than its factorization.

42536741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831.

The product of its digits is 20160, while the sum is 32.

The square root of 42536741 is about 6522.0197025155. The cubic root of 42536741 is about 349.0771361207.

The spelling of 42536741 in words is "forty-two million, five hundred thirty-six thousand, seven hundred forty-one".

Divisors: 1 13 241 3133 13577 176501 3272057 42536741