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42479633 = 76068519
BaseRepresentation
bin1010001000001…
…1000000010001
32221221012002202
42202003000101
541333322013
64114252545
71024033220
oct242030021
987835082
1042479633
1121a84639
1212287155
138a543a1
1458dacb7
153ae1858
hex2883011

42479633 has 4 divisors (see below), whose sum is σ = 48548160. Its totient is φ = 36411108.

The previous prime is 42479627. The next prime is 42479669. The reversal of 42479633 is 33697424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42479633 - 28 = 42479377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42479603) 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 3 ways as a sum of consecutive naturals, for example, 3034253 + ... + 3034266.

It is an arithmetic number, because the mean of its divisors is an integer number (12137040).

Almost surely, 242479633 is an apocalyptic number.

It is an amenable number.

42479633 is a deficient number, since it is larger than the sum of its proper divisors (6068527).

42479633 is an equidigital number, since it uses as much as digits as its factorization.

42479633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068526.

The product of its digits is 108864, while the sum is 38.

The square root of 42479633 is about 6517.6401404189. The cubic root of 42479633 is about 348.9208475051.

The spelling of 42479633 in words is "forty-two million, four hundred seventy-nine thousand, six hundred thirty-three".

Divisors: 1 7 6068519 42479633